Home / 2,953,142.40-4,429,713.60-2,897,155.20

Finding the Fourth Proportional to 2,953,142.40, 4,429,713.60 and 2,897,155.20

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Solution

The fourth proportional to 2,953,142.40, 4,429,713.60 and 2,897,155.20 is: 4,345,732.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953,142.40 : 4,429,713.60 = 2,897,155.20 : x
  2. Step 2: Convert to fraction form
    2,953,142.40/4,429,713.60 = 2,897,155.20/x
  3. Step 3: Cross multiply
    2,953,142.40x = 4,429,713.60 × 2,897,155.20
  4. Step 4: Simplify right side
    2,953,142.40x = 12,833,567,790,750.72
  5. Step 5: Solve for x
    x = 12,833,567,790,750.72/2,953,142.40
  6. Step 6: Final answer
    x = 4,345,732.80

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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.