Home / 1,620,070.92-2,236,335.21-1,068,699.06

Finding the Fourth Proportional to 1,620,070.92, 2,236,335.21 and 1,068,699.06

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Solution

The fourth proportional to 1,620,070.92, 2,236,335.21 and 1,068,699.06 is: 1,475,225.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,070.92 : 2,236,335.21 = 1,068,699.06 : x
  2. Step 2: Convert to fraction form
    1,620,070.92/2,236,335.21 = 1,068,699.06/x
  3. Step 3: Cross multiply
    1,620,070.92x = 2,236,335.21 × 1,068,699.06
  4. Step 4: Simplify right side
    1,620,070.92x = 2,389,969,336,771.90
  5. Step 5: Solve for x
    x = 2,389,969,336,771.90/1,620,070.92
  6. Step 6: Final answer
    x = 1,475,225.13

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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.