Home / 1,819,079.80-2,730,512.26-1,339,848.72

Finding the Fourth Proportional to 1,819,079.80, 2,730,512.26 and 1,339,848.72

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Solution

The fourth proportional to 1,819,079.80, 2,730,512.26 and 1,339,848.72 is: 2,011,167.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,079.80 : 2,730,512.26 = 1,339,848.72 : x
  2. Step 2: Convert to fraction form
    1,819,079.80/2,730,512.26 = 1,339,848.72/x
  3. Step 3: Cross multiply
    1,819,079.80x = 2,730,512.26 × 1,339,848.72
  4. Step 4: Simplify right side
    1,819,079.80x = 3,658,473,356,505.31
  5. Step 5: Solve for x
    x = 3,658,473,356,505.31/1,819,079.80
  6. Step 6: Final answer
    x = 2,011,167.05

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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.