Home / 2,809,535.80-3,877,159.40-1,520,376.18

Finding the Fourth Proportional to 2,809,535.80, 3,877,159.40 and 1,520,376.18

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Solution

The fourth proportional to 2,809,535.80, 3,877,159.40 and 1,520,376.18 is: 2,098,119.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,535.80 : 3,877,159.40 = 1,520,376.18 : x
  2. Step 2: Convert to fraction form
    2,809,535.80/3,877,159.40 = 1,520,376.18/x
  3. Step 3: Cross multiply
    2,809,535.80x = 3,877,159.40 × 1,520,376.18
  4. Step 4: Simplify right side
    2,809,535.80x = 5,894,740,811,316.93
  5. Step 5: Solve for x
    x = 5,894,740,811,316.93/2,809,535.80
  6. Step 6: Final answer
    x = 2,098,119.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.