Home / 6,836,129.60-10,254,779.84-1,787,432

Finding the Fourth Proportional to 6,836,129.60, 10,254,779.84 and 1,787,432

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Solution

The fourth proportional to 6,836,129.60, 10,254,779.84 and 1,787,432 is: 2,681,301.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,836,129.60 : 10,254,779.84 = 1,787,432 : x
  2. Step 2: Convert to fraction form
    6,836,129.60/10,254,779.84 = 1,787,432/x
  3. Step 3: Cross multiply
    6,836,129.60x = 10,254,779.84 × 1,787,432
  4. Step 4: Simplify right side
    6,836,129.60x = 18,329,721,638,970.88
  5. Step 5: Solve for x
    x = 18,329,721,638,970.88/6,836,129.60
  6. Step 6: Final answer
    x = 2,681,301.07

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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.