Home / 5,421,007.80-8,140,842.90-3,834,703.80

Finding the Fourth Proportional to 5,421,007.80, 8,140,842.90 and 3,834,703.80

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Solution

The fourth proportional to 5,421,007.80, 8,140,842.90 and 3,834,703.80 is: 5,758,656.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421,007.80 : 8,140,842.90 = 3,834,703.80 : x
  2. Step 2: Convert to fraction form
    5,421,007.80/8,140,842.90 = 3,834,703.80/x
  3. Step 3: Cross multiply
    5,421,007.80x = 8,140,842.90 × 3,834,703.80
  4. Step 4: Simplify right side
    5,421,007.80x = 31,217,721,203,833.02
  5. Step 5: Solve for x
    x = 31,217,721,203,833.02/5,421,007.80
  6. Step 6: Final answer
    x = 5,758,656.39

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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.