Home / 2,167,192.59-2,990,748.20-1,307,586.75

Finding the Fourth Proportional to 2,167,192.59, 2,990,748.20 and 1,307,586.75

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Solution

The fourth proportional to 2,167,192.59, 2,990,748.20 and 1,307,586.75 is: 1,804,483.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,192.59 : 2,990,748.20 = 1,307,586.75 : x
  2. Step 2: Convert to fraction form
    2,167,192.59/2,990,748.20 = 1,307,586.75/x
  3. Step 3: Cross multiply
    2,167,192.59x = 2,990,748.20 × 1,307,586.75
  4. Step 4: Simplify right side
    2,167,192.59x = 3,910,662,712,368.42
  5. Step 5: Solve for x
    x = 3,910,662,712,368.42/2,167,192.59
  6. Step 6: Final answer
    x = 1,804,483.24

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Double scale
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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.