Home / 1,553,180.17-2,143,368.19-855,447.58

Finding the Fourth Proportional to 1,553,180.17, 2,143,368.19 and 855,447.58

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Solution

The fourth proportional to 1,553,180.17, 2,143,368.19 and 855,447.58 is: 1,180,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,180.17 : 2,143,368.19 = 855,447.58 : x
  2. Step 2: Convert to fraction form
    1,553,180.17/2,143,368.19 = 855,447.58/x
  3. Step 3: Cross multiply
    1,553,180.17x = 2,143,368.19 × 855,447.58
  4. Step 4: Simplify right side
    1,553,180.17x = 1,833,539,131,184.48
  5. Step 5: Solve for x
    x = 1,833,539,131,184.48/1,553,180.17
  6. Step 6: Final answer
    x = 1,180,506.40

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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.