Home / 1,891,089.32-2,609,346.34-1,127,213.96

Finding the Fourth Proportional to 1,891,089.32, 2,609,346.34 and 1,127,213.96

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Solution

The fourth proportional to 1,891,089.32, 2,609,346.34 and 1,127,213.96 is: 1,555,342.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,089.32 : 2,609,346.34 = 1,127,213.96 : x
  2. Step 2: Convert to fraction form
    1,891,089.32/2,609,346.34 = 1,127,213.96/x
  3. Step 3: Cross multiply
    1,891,089.32x = 2,609,346.34 × 1,127,213.96
  4. Step 4: Simplify right side
    1,891,089.32x = 2,941,291,627,133.06
  5. Step 5: Solve for x
    x = 2,941,291,627,133.06/1,891,089.32
  6. Step 6: Final answer
    x = 1,555,342.52

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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.