Home / 4,764,967.20-7,144,826.40-1,921,867.20

Finding the Fourth Proportional to 4,764,967.20, 7,144,826.40 and 1,921,867.20

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Solution

The fourth proportional to 4,764,967.20, 7,144,826.40 and 1,921,867.20 is: 2,881,742.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,764,967.20 : 7,144,826.40 = 1,921,867.20 : x
  2. Step 2: Convert to fraction form
    4,764,967.20/7,144,826.40 = 1,921,867.20/x
  3. Step 3: Cross multiply
    4,764,967.20x = 7,144,826.40 × 1,921,867.20
  4. Step 4: Simplify right side
    4,764,967.20x = 13,731,407,507,854.08
  5. Step 5: Solve for x
    x = 13,731,407,507,854.08/4,764,967.20
  6. Step 6: Final answer
    x = 2,881,742.29

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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.