Home / 3,420,072.12-5,127,210.73-1,499,527.83

Finding the Fourth Proportional to 3,420,072.12, 5,127,210.73 and 1,499,527.83

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Solution

The fourth proportional to 3,420,072.12, 5,127,210.73 and 1,499,527.83 is: 2,248,021.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,072.12 : 5,127,210.73 = 1,499,527.83 : x
  2. Step 2: Convert to fraction form
    3,420,072.12/5,127,210.73 = 1,499,527.83/x
  3. Step 3: Cross multiply
    3,420,072.12x = 5,127,210.73 × 1,499,527.83
  4. Step 4: Simplify right side
    3,420,072.12x = 7,688,395,179,909.62
  5. Step 5: Solve for x
    x = 7,688,395,179,909.62/3,420,072.12
  6. Step 6: Final answer
    x = 2,248,021.36

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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.