Home / 1,448,583.70-2,172,875.55-1,438,086.10

Finding the Fourth Proportional to 1,448,583.70, 2,172,875.55 and 1,438,086.10

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Solution

The fourth proportional to 1,448,583.70, 2,172,875.55 and 1,438,086.10 is: 2,157,129.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,583.70 : 2,172,875.55 = 1,438,086.10 : x
  2. Step 2: Convert to fraction form
    1,448,583.70/2,172,875.55 = 1,438,086.10/x
  3. Step 3: Cross multiply
    1,448,583.70x = 2,172,875.55 × 1,438,086.10
  4. Step 4: Simplify right side
    1,448,583.70x = 3,124,782,125,484.86
  5. Step 5: Solve for x
    x = 3,124,782,125,484.86/1,448,583.70
  6. Step 6: Final answer
    x = 2,157,129.15

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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.