Home / 3,440,312.43-4,747,643.35-1,891,671.53

Finding the Fourth Proportional to 3,440,312.43, 4,747,643.35 and 1,891,671.53

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Solution

The fourth proportional to 3,440,312.43, 4,747,643.35 and 1,891,671.53 is: 2,610,513.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440,312.43 : 4,747,643.35 = 1,891,671.53 : x
  2. Step 2: Convert to fraction form
    3,440,312.43/4,747,643.35 = 1,891,671.53/x
  3. Step 3: Cross multiply
    3,440,312.43x = 4,747,643.35 × 1,891,671.53
  4. Step 4: Simplify right side
    3,440,312.43x = 8,980,981,759,788.82
  5. Step 5: Solve for x
    x = 8,980,981,759,788.82/3,440,312.43
  6. Step 6: Final answer
    x = 2,610,513.42

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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.