Home / 5,275,221.60-7,912,746.54-1,680,940.08

Finding the Fourth Proportional to 5,275,221.60, 7,912,746.54 and 1,680,940.08

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Solution

The fourth proportional to 5,275,221.60, 7,912,746.54 and 1,680,940.08 is: 2,521,382.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275,221.60 : 7,912,746.54 = 1,680,940.08 : x
  2. Step 2: Convert to fraction form
    5,275,221.60/7,912,746.54 = 1,680,940.08/x
  3. Step 3: Cross multiply
    5,275,221.60x = 7,912,746.54 × 1,680,940.08
  4. Step 4: Simplify right side
    5,275,221.60x = 13,300,852,801,967.32
  5. Step 5: Solve for x
    x = 13,300,852,801,967.32/5,275,221.60
  6. Step 6: Final answer
    x = 2,521,382.76

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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.