Home / 1,549,307.81-2,138,056.61-861,044.22

Finding the Fourth Proportional to 1,549,307.81, 2,138,056.61 and 861,044.22

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Solution

The fourth proportional to 1,549,307.81, 2,138,056.61 and 861,044.22 is: 1,188,247.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,307.81 : 2,138,056.61 = 861,044.22 : x
  2. Step 2: Convert to fraction form
    1,549,307.81/2,138,056.61 = 861,044.22/x
  3. Step 3: Cross multiply
    1,549,307.81x = 2,138,056.61 × 861,044.22
  4. Step 4: Simplify right side
    1,549,307.81x = 1,840,961,289,785.79
  5. Step 5: Solve for x
    x = 1,840,961,289,785.79/1,549,307.81
  6. Step 6: Final answer
    x = 1,188,247.61

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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.