Home / 6,121,931.32-8,445,983.34-3,829,220.92

Finding the Fourth Proportional to 6,121,931.32, 8,445,983.34 and 3,829,220.92

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Solution

The fourth proportional to 6,121,931.32, 8,445,983.34 and 3,829,220.92 is: 5,282,897.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121,931.32 : 8,445,983.34 = 3,829,220.92 : x
  2. Step 2: Convert to fraction form
    6,121,931.32/8,445,983.34 = 3,829,220.92/x
  3. Step 3: Cross multiply
    6,121,931.32x = 8,445,983.34 × 3,829,220.92
  4. Step 4: Simplify right side
    6,121,931.32x = 32,341,536,095,499.47
  5. Step 5: Solve for x
    x = 32,341,536,095,499.47/6,121,931.32
  6. Step 6: Final answer
    x = 5,282,897.57

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Double scale
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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.