Home / 2,891,582.10-3,990,406.77-1,602,443.70

Finding the Fourth Proportional to 2,891,582.10, 3,990,406.77 and 1,602,443.70

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Solution

The fourth proportional to 2,891,582.10, 3,990,406.77 and 1,602,443.70 is: 2,211,385.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,582.10 : 3,990,406.77 = 1,602,443.70 : x
  2. Step 2: Convert to fraction form
    2,891,582.10/3,990,406.77 = 1,602,443.70/x
  3. Step 3: Cross multiply
    2,891,582.10x = 3,990,406.77 × 1,602,443.70
  4. Step 4: Simplify right side
    2,891,582.10x = 6,394,402,189,023.85
  5. Step 5: Solve for x
    x = 6,394,402,189,023.85/2,891,582.10
  6. Step 6: Final answer
    x = 2,211,385.31

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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.