Home / 1,547,820.20-2,321,730.30-1,169,906.60

Finding the Fourth Proportional to 1,547,820.20, 2,321,730.30 and 1,169,906.60

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Solution

The fourth proportional to 1,547,820.20, 2,321,730.30 and 1,169,906.60 is: 1,754,859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,820.20 : 2,321,730.30 = 1,169,906.60 : x
  2. Step 2: Convert to fraction form
    1,547,820.20/2,321,730.30 = 1,169,906.60/x
  3. Step 3: Cross multiply
    1,547,820.20x = 2,321,730.30 × 1,169,906.60
  4. Step 4: Simplify right side
    1,547,820.20x = 2,716,207,601,389.98
  5. Step 5: Solve for x
    x = 2,716,207,601,389.98/1,547,820.20
  6. Step 6: Final answer
    x = 1,754,859.90

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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.