Home / 2,801,868.90-4,202,803.35-1,668,128.10

Finding the Fourth Proportional to 2,801,868.90, 4,202,803.35 and 1,668,128.10

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Solution

The fourth proportional to 2,801,868.90, 4,202,803.35 and 1,668,128.10 is: 2,502,192.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801,868.90 : 4,202,803.35 = 1,668,128.10 : x
  2. Step 2: Convert to fraction form
    2,801,868.90/4,202,803.35 = 1,668,128.10/x
  3. Step 3: Cross multiply
    2,801,868.90x = 4,202,803.35 × 1,668,128.10
  4. Step 4: Simplify right side
    2,801,868.90x = 7,010,814,366,909.14
  5. Step 5: Solve for x
    x = 7,010,814,366,909.14/2,801,868.90
  6. Step 6: Final answer
    x = 2,502,192.15

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Double scale
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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.