Home / 1,999,710.20-2,990,817.30-1,788,008.60

Finding the Fourth Proportional to 1,999,710.20, 2,990,817.30 and 1,788,008.60

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Solution

The fourth proportional to 1,999,710.20, 2,990,817.30 and 1,788,008.60 is: 2,674,191.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,710.20 : 2,990,817.30 = 1,788,008.60 : x
  2. Step 2: Convert to fraction form
    1,999,710.20/2,990,817.30 = 1,788,008.60/x
  3. Step 3: Cross multiply
    1,999,710.20x = 2,990,817.30 × 1,788,008.60
  4. Step 4: Simplify right side
    1,999,710.20x = 5,347,607,053,428.78
  5. Step 5: Solve for x
    x = 5,347,607,053,428.78/1,999,710.20
  6. Step 6: Final answer
    x = 2,674,191.02

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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.