Home / 6,434,031.28-8,878,939.86-3,533,609.92

Finding the Fourth Proportional to 6,434,031.28, 8,878,939.86 and 3,533,609.92

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Solution

The fourth proportional to 6,434,031.28, 8,878,939.86 and 3,533,609.92 is: 4,876,368.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,434,031.28 : 8,878,939.86 = 3,533,609.92 : x
  2. Step 2: Convert to fraction form
    6,434,031.28/8,878,939.86 = 3,533,609.92/x
  3. Step 3: Cross multiply
    6,434,031.28x = 8,878,939.86 × 3,533,609.92
  4. Step 4: Simplify right side
    6,434,031.28x = 31,374,709,968,379.41
  5. Step 5: Solve for x
    x = 31,374,709,968,379.41/6,434,031.28
  6. Step 6: Final answer
    x = 4,876,368.89

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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.