Home / 1,891,089.18-2,609,346.15-1,127,213.82

Finding the Fourth Proportional to 1,891,089.18, 2,609,346.15 and 1,127,213.82

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Solution

The fourth proportional to 1,891,089.18, 2,609,346.15 and 1,127,213.82 is: 1,555,342.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,089.18 : 2,609,346.15 = 1,127,213.82 : x
  2. Step 2: Convert to fraction form
    1,891,089.18/2,609,346.15 = 1,127,213.82/x
  3. Step 3: Cross multiply
    1,891,089.18x = 2,609,346.15 × 1,127,213.82
  4. Step 4: Simplify right side
    1,891,089.18x = 2,941,291,041,443.79
  5. Step 5: Solve for x
    x = 2,941,291,041,443.79/1,891,089.18
  6. Step 6: Final answer
    x = 1,555,342.32

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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.