Home / 5,242,989.65-7,854,411.51-3,215,323.53

Finding the Fourth Proportional to 5,242,989.65, 7,854,411.51 and 3,215,323.53

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Solution

The fourth proportional to 5,242,989.65, 7,854,411.51 and 3,215,323.53 is: 4,816,807.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242,989.65 : 7,854,411.51 = 3,215,323.53 : x
  2. Step 2: Convert to fraction form
    5,242,989.65/7,854,411.51 = 3,215,323.53/x
  3. Step 3: Cross multiply
    5,242,989.65x = 7,854,411.51 × 3,215,323.53
  4. Step 4: Simplify right side
    5,242,989.65x = 25,254,474,142,405.83
  5. Step 5: Solve for x
    x = 25,254,474,142,405.83/5,242,989.65
  6. Step 6: Final answer
    x = 4,816,807.94

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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.