Home / 2,000,899.86-2,999,510.71-721,194.18

Finding the Fourth Proportional to 2,000,899.86, 2,999,510.71 and 721,194.18

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Solution

The fourth proportional to 2,000,899.86, 2,999,510.71 and 721,194.18 is: 1,081,128.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,000,899.86 : 2,999,510.71 = 721,194.18 : x
  2. Step 2: Convert to fraction form
    2,000,899.86/2,999,510.71 = 721,194.18/x
  3. Step 3: Cross multiply
    2,000,899.86x = 2,999,510.71 × 721,194.18
  4. Step 4: Simplify right side
    2,000,899.86x = 2,163,229,648,296.14
  5. Step 5: Solve for x
    x = 2,163,229,648,296.14/2,000,899.86
  6. Step 6: Final answer
    x = 1,081,128.39

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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.