Home / 1,758,513.80-2,640,881.10-1,360,123.40

Finding the Fourth Proportional to 1,758,513.80, 2,640,881.10 and 1,360,123.40

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Solution

The fourth proportional to 1,758,513.80, 2,640,881.10 and 1,360,123.40 is: 2,042,590.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758,513.80 : 2,640,881.10 = 1,360,123.40 : x
  2. Step 2: Convert to fraction form
    1,758,513.80/2,640,881.10 = 1,360,123.40/x
  3. Step 3: Cross multiply
    1,758,513.80x = 2,640,881.10 × 1,360,123.40
  4. Step 4: Simplify right side
    1,758,513.80x = 3,591,924,180,727.74
  5. Step 5: Solve for x
    x = 3,591,924,180,727.74/1,758,513.80
  6. Step 6: Final answer
    x = 2,042,590.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.