Home / 1,913,302.62-2,640,166.04-1,178,139.13

Finding the Fourth Proportional to 1,913,302.62, 2,640,166.04 and 1,178,139.13

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Solution

The fourth proportional to 1,913,302.62, 2,640,166.04 and 1,178,139.13 is: 1,625,714.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,302.62 : 2,640,166.04 = 1,178,139.13 : x
  2. Step 2: Convert to fraction form
    1,913,302.62/2,640,166.04 = 1,178,139.13/x
  3. Step 3: Cross multiply
    1,913,302.62x = 2,640,166.04 × 1,178,139.13
  4. Step 4: Simplify right side
    1,913,302.62x = 3,110,482,917,766.08
  5. Step 5: Solve for x
    x = 3,110,482,917,766.08/1,913,302.62
  6. Step 6: Final answer
    x = 1,625,714.03

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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.