Home / 5,319,682.80-7,977,191.40-2,123,746.80

Finding the Fourth Proportional to 5,319,682.80, 7,977,191.40 and 2,123,746.80

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Solution

The fourth proportional to 5,319,682.80, 7,977,191.40 and 2,123,746.80 is: 3,184,688.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319,682.80 : 7,977,191.40 = 2,123,746.80 : x
  2. Step 2: Convert to fraction form
    5,319,682.80/7,977,191.40 = 2,123,746.80/x
  3. Step 3: Cross multiply
    5,319,682.80x = 7,977,191.40 × 2,123,746.80
  4. Step 4: Simplify right side
    5,319,682.80x = 16,941,534,708,737.52
  5. Step 5: Solve for x
    x = 16,941,534,708,737.52/5,319,682.80
  6. Step 6: Final answer
    x = 3,184,688.89

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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.