Home / 5,631,363.65-8,437,390.83-3,781,407.77

Finding the Fourth Proportional to 5,631,363.65, 8,437,390.83 and 3,781,407.77

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Solution

The fourth proportional to 5,631,363.65, 8,437,390.83 and 3,781,407.77 is: 5,665,628.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631,363.65 : 8,437,390.83 = 3,781,407.77 : x
  2. Step 2: Convert to fraction form
    5,631,363.65/8,437,390.83 = 3,781,407.77/x
  3. Step 3: Cross multiply
    5,631,363.65x = 8,437,390.83 × 3,781,407.77
  4. Step 4: Simplify right side
    5,631,363.65x = 31,905,215,208,197.32
  5. Step 5: Solve for x
    x = 31,905,215,208,197.32/5,631,363.65
  6. Step 6: Final answer
    x = 5,665,628.64

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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.