Home / 6,645,128.51-9,170,280.86-3,589,342.76

Finding the Fourth Proportional to 6,645,128.51, 9,170,280.86 and 3,589,342.76

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Solution

The fourth proportional to 6,645,128.51, 9,170,280.86 and 3,589,342.76 is: 4,953,294.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645,128.51 : 9,170,280.86 = 3,589,342.76 : x
  2. Step 2: Convert to fraction form
    6,645,128.51/9,170,280.86 = 3,589,342.76/x
  3. Step 3: Cross multiply
    6,645,128.51x = 9,170,280.86 × 3,589,342.76
  4. Step 4: Simplify right side
    6,645,128.51x = 32,915,281,148,209.46
  5. Step 5: Solve for x
    x = 32,915,281,148,209.46/6,645,128.51
  6. Step 6: Final answer
    x = 4,953,294.90

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1.5x scale

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.