Home / 2,120,685.20-2,926,544.52-1,153,814.24

Finding the Fourth Proportional to 2,120,685.20, 2,926,544.52 and 1,153,814.24

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Solution

The fourth proportional to 2,120,685.20, 2,926,544.52 and 1,153,814.24 is: 1,592,263.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,685.20 : 2,926,544.52 = 1,153,814.24 : x
  2. Step 2: Convert to fraction form
    2,120,685.20/2,926,544.52 = 1,153,814.24/x
  3. Step 3: Cross multiply
    2,120,685.20x = 2,926,544.52 × 1,153,814.24
  4. Step 4: Simplify right side
    2,120,685.20x = 3,376,688,741,169.97
  5. Step 5: Solve for x
    x = 3,376,688,741,169.97/2,120,685.20
  6. Step 6: Final answer
    x = 1,592,263.08

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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.