Home / 2,854,969.20-3,939,494.40-1,631,354.04

Finding the Fourth Proportional to 2,854,969.20, 3,939,494.40 and 1,631,354.04

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Solution

The fourth proportional to 2,854,969.20, 3,939,494.40 and 1,631,354.04 is: 2,251,061.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854,969.20 : 3,939,494.40 = 1,631,354.04 : x
  2. Step 2: Convert to fraction form
    2,854,969.20/3,939,494.40 = 1,631,354.04/x
  3. Step 3: Cross multiply
    2,854,969.20x = 3,939,494.40 × 1,631,354.04
  4. Step 4: Simplify right side
    2,854,969.20x = 6,426,710,104,997.38
  5. Step 5: Solve for x
    x = 6,426,710,104,997.38/2,854,969.20
  6. Step 6: Final answer
    x = 2,251,061.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.