Home / 2,788,271.40-4,182,407.10-2,157,637.80

Finding the Fourth Proportional to 2,788,271.40, 4,182,407.10 and 2,157,637.80

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Solution

The fourth proportional to 2,788,271.40, 4,182,407.10 and 2,157,637.80 is: 3,236,456.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788,271.40 : 4,182,407.10 = 2,157,637.80 : x
  2. Step 2: Convert to fraction form
    2,788,271.40/4,182,407.10 = 2,157,637.80/x
  3. Step 3: Cross multiply
    2,788,271.40x = 4,182,407.10 × 2,157,637.80
  4. Step 4: Simplify right side
    2,788,271.40x = 9,024,119,653,948.38
  5. Step 5: Solve for x
    x = 9,024,119,653,948.38/2,788,271.40
  6. Step 6: Final answer
    x = 3,236,456.70

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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.