Home / 2,780,059.08-4,170,982.86-1,264,283.40

Finding the Fourth Proportional to 2,780,059.08, 4,170,982.86 and 1,264,283.40

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Solution

The fourth proportional to 2,780,059.08, 4,170,982.86 and 1,264,283.40 is: 1,896,831.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,059.08 : 4,170,982.86 = 1,264,283.40 : x
  2. Step 2: Convert to fraction form
    2,780,059.08/4,170,982.86 = 1,264,283.40/x
  3. Step 3: Cross multiply
    2,780,059.08x = 4,170,982.86 × 1,264,283.40
  4. Step 4: Simplify right side
    2,780,059.08x = 5,273,304,391,582.52
  5. Step 5: Solve for x
    x = 5,273,304,391,582.52/2,780,059.08
  6. Step 6: Final answer
    x = 1,896,831.77

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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.