Home / 3,121,200.95-4,681,801.41-877,338.95

Finding the Fourth Proportional to 3,121,200.95, 4,681,801.41 and 877,338.95

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Solution

The fourth proportional to 3,121,200.95, 4,681,801.41 and 877,338.95 is: 1,316,008.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,200.95 : 4,681,801.41 = 877,338.95 : x
  2. Step 2: Convert to fraction form
    3,121,200.95/4,681,801.41 = 877,338.95/x
  3. Step 3: Cross multiply
    3,121,200.95x = 4,681,801.41 × 877,338.95
  4. Step 4: Simplify right side
    3,121,200.95x = 4,107,526,709,748.91
  5. Step 5: Solve for x
    x = 4,107,526,709,748.91/3,121,200.95
  6. Step 6: Final answer
    x = 1,316,008.42

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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.