Home / 4,681,040.10-7,021,560.15-2,878,077.30

Finding the Fourth Proportional to 4,681,040.10, 7,021,560.15 and 2,878,077.30

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Solution

The fourth proportional to 4,681,040.10, 7,021,560.15 and 2,878,077.30 is: 4,317,115.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681,040.10 : 7,021,560.15 = 2,878,077.30 : x
  2. Step 2: Convert to fraction form
    4,681,040.10/7,021,560.15 = 2,878,077.30/x
  3. Step 3: Cross multiply
    4,681,040.10x = 7,021,560.15 × 2,878,077.30
  4. Step 4: Simplify right side
    4,681,040.10x = 20,208,592,878,299.59
  5. Step 5: Solve for x
    x = 20,208,592,878,299.59/4,681,040.10
  6. Step 6: Final answer
    x = 4,317,115.95

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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.