Home / 3,121,247.44-4,681,870.98-877,385.44

Finding the Fourth Proportional to 3,121,247.44, 4,681,870.98 and 877,385.44

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Solution

The fourth proportional to 3,121,247.44, 4,681,870.98 and 877,385.44 is: 1,316,078.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,247.44 : 4,681,870.98 = 877,385.44 : x
  2. Step 2: Convert to fraction form
    3,121,247.44/4,681,870.98 = 877,385.44/x
  3. Step 3: Cross multiply
    3,121,247.44x = 4,681,870.98 × 877,385.44
  4. Step 4: Simplify right side
    3,121,247.44x = 4,107,805,429,810.53
  5. Step 5: Solve for x
    x = 4,107,805,429,810.53/3,121,247.44
  6. Step 6: Final answer
    x = 1,316,078.11

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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.