Home / 5,281,818.72-7,285,931-3,076,421.62

Finding the Fourth Proportional to 5,281,818.72, 7,285,931 and 3,076,421.62

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Solution

The fourth proportional to 5,281,818.72, 7,285,931 and 3,076,421.62 is: 4,243,726.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281,818.72 : 7,285,931 = 3,076,421.62 : x
  2. Step 2: Convert to fraction form
    5,281,818.72/7,285,931 = 3,076,421.62/x
  3. Step 3: Cross multiply
    5,281,818.72x = 7,285,931 × 3,076,421.62
  4. Step 4: Simplify right side
    5,281,818.72x = 22,414,595,650,228.22
  5. Step 5: Solve for x
    x = 22,414,595,650,228.22/5,281,818.72
  6. Step 6: Final answer
    x = 4,243,726.80

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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.