Home / 2,788,352.30-4,182,528.45-2,079,764.30

Finding the Fourth Proportional to 2,788,352.30, 4,182,528.45 and 2,079,764.30

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Solution

The fourth proportional to 2,788,352.30, 4,182,528.45 and 2,079,764.30 is: 3,119,646.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788,352.30 : 4,182,528.45 = 2,079,764.30 : x
  2. Step 2: Convert to fraction form
    2,788,352.30/4,182,528.45 = 2,079,764.30/x
  3. Step 3: Cross multiply
    2,788,352.30x = 4,182,528.45 × 2,079,764.30
  4. Step 4: Simplify right side
    2,788,352.30x = 8,698,673,354,044.34
  5. Step 5: Solve for x
    x = 8,698,673,354,044.34/2,788,352.30
  6. Step 6: Final answer
    x = 3,119,646.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.