Home / 5,728,038.96-7,904,423.16-3,149,828.40

Finding the Fourth Proportional to 5,728,038.96, 7,904,423.16 and 3,149,828.40

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Solution

The fourth proportional to 5,728,038.96, 7,904,423.16 and 3,149,828.40 is: 4,346,614.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728,038.96 : 7,904,423.16 = 3,149,828.40 : x
  2. Step 2: Convert to fraction form
    5,728,038.96/7,904,423.16 = 3,149,828.40/x
  3. Step 3: Cross multiply
    5,728,038.96x = 7,904,423.16 × 3,149,828.40
  4. Step 4: Simplify right side
    5,728,038.96x = 24,897,576,554,985.74
  5. Step 5: Solve for x
    x = 24,897,576,554,985.74/5,728,038.96
  6. Step 6: Final answer
    x = 4,346,614.39

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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.