Home / 5,218,051.20-7,828,437.60-2,023,281.60

Finding the Fourth Proportional to 5,218,051.20, 7,828,437.60 and 2,023,281.60

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Solution

The fourth proportional to 5,218,051.20, 7,828,437.60 and 2,023,281.60 is: 3,035,450.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218,051.20 : 7,828,437.60 = 2,023,281.60 : x
  2. Step 2: Convert to fraction form
    5,218,051.20/7,828,437.60 = 2,023,281.60/x
  3. Step 3: Cross multiply
    5,218,051.20x = 7,828,437.60 × 2,023,281.60
  4. Step 4: Simplify right side
    5,218,051.20x = 15,839,133,752,828.16
  5. Step 5: Solve for x
    x = 15,839,133,752,828.16/5,218,051.20
  6. Step 6: Final answer
    x = 3,035,450.05

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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.