Home / 2,475,136.74-3,712,708.32-678,036

Finding the Fourth Proportional to 2,475,136.74, 3,712,708.32 and 678,036

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Solution

The fourth proportional to 2,475,136.74, 3,712,708.32 and 678,036 is: 1,017,054.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475,136.74 : 3,712,708.32 = 678,036 : x
  2. Step 2: Convert to fraction form
    2,475,136.74/3,712,708.32 = 678,036/x
  3. Step 3: Cross multiply
    2,475,136.74x = 3,712,708.32 × 678,036
  4. Step 4: Simplify right side
    2,475,136.74x = 2,517,349,898,459.52
  5. Step 5: Solve for x
    x = 2,517,349,898,459.52/2,475,136.74
  6. Step 6: Final answer
    x = 1,017,054.88

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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.