Home / 1,620,172.60-2,425,593.30-990,316.60

Finding the Fourth Proportional to 1,620,172.60, 2,425,593.30 and 990,316.60

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Solution

The fourth proportional to 1,620,172.60, 2,425,593.30 and 990,316.60 is: 1,482,623.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,172.60 : 2,425,593.30 = 990,316.60 : x
  2. Step 2: Convert to fraction form
    1,620,172.60/2,425,593.30 = 990,316.60/x
  3. Step 3: Cross multiply
    1,620,172.60x = 2,425,593.30 × 990,316.60
  4. Step 4: Simplify right side
    1,620,172.60x = 2,402,105,309,838.78
  5. Step 5: Solve for x
    x = 2,402,105,309,838.78/1,620,172.60
  6. Step 6: Final answer
    x = 1,482,623.09

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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.