Home / 3,086,139.49-4,258,724.52-1,709,390.32

Finding the Fourth Proportional to 3,086,139.49, 4,258,724.52 and 1,709,390.32

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Solution

The fourth proportional to 3,086,139.49, 4,258,724.52 and 1,709,390.32 is: 2,358,876.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086,139.49 : 4,258,724.52 = 1,709,390.32 : x
  2. Step 2: Convert to fraction form
    3,086,139.49/4,258,724.52 = 1,709,390.32/x
  3. Step 3: Cross multiply
    3,086,139.49x = 4,258,724.52 × 1,709,390.32
  4. Step 4: Simplify right side
    3,086,139.49x = 7,279,822,470,034.65
  5. Step 5: Solve for x
    x = 7,279,822,470,034.65/3,086,139.49
  6. Step 6: Final answer
    x = 2,358,876.68

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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.