Home / 5,913,006.40-8,869,509.60-2,125,997.20

Finding the Fourth Proportional to 5,913,006.40, 8,869,509.60 and 2,125,997.20

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Solution

The fourth proportional to 5,913,006.40, 8,869,509.60 and 2,125,997.20 is: 3,188,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913,006.40 : 8,869,509.60 = 2,125,997.20 : x
  2. Step 2: Convert to fraction form
    5,913,006.40/8,869,509.60 = 2,125,997.20/x
  3. Step 3: Cross multiply
    5,913,006.40x = 8,869,509.60 × 2,125,997.20
  4. Step 4: Simplify right side
    5,913,006.40x = 18,856,552,574,973.12
  5. Step 5: Solve for x
    x = 18,856,552,574,973.12/5,913,006.40
  6. Step 6: Final answer
    x = 3,188,995.80

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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.