Home / 3,911,250.14-5,866,879.90-1,071,386.78

Finding the Fourth Proportional to 3,911,250.14, 5,866,879.90 and 1,071,386.78

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Solution

The fourth proportional to 3,911,250.14, 5,866,879.90 and 1,071,386.78 is: 1,607,081.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911,250.14 : 5,866,879.90 = 1,071,386.78 : x
  2. Step 2: Convert to fraction form
    3,911,250.14/5,866,879.90 = 1,071,386.78/x
  3. Step 3: Cross multiply
    3,911,250.14x = 5,866,879.90 × 1,071,386.78
  4. Step 4: Simplify right side
    3,911,250.14x = 6,285,697,564,707.72
  5. Step 5: Solve for x
    x = 6,285,697,564,707.72/3,911,250.14
  6. Step 6: Final answer
    x = 1,607,081.45

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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.