Home / 1,872,040.80-2,808,061.20-1,241,666.40

Finding the Fourth Proportional to 1,872,040.80, 2,808,061.20 and 1,241,666.40

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Solution

The fourth proportional to 1,872,040.80, 2,808,061.20 and 1,241,666.40 is: 1,862,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,040.80 : 2,808,061.20 = 1,241,666.40 : x
  2. Step 2: Convert to fraction form
    1,872,040.80/2,808,061.20 = 1,241,666.40/x
  3. Step 3: Cross multiply
    1,872,040.80x = 2,808,061.20 × 1,241,666.40
  4. Step 4: Simplify right side
    1,872,040.80x = 3,486,675,241,183.68
  5. Step 5: Solve for x
    x = 3,486,675,241,183.68/1,872,040.80
  6. Step 6: Final answer
    x = 1,862,499.60

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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.