Home / 2,116,882.20-2,921,547.84-1,257,445.86

Finding the Fourth Proportional to 2,116,882.20, 2,921,547.84 and 1,257,445.86

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Solution

The fourth proportional to 2,116,882.20, 2,921,547.84 and 1,257,445.86 is: 1,735,424.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,882.20 : 2,921,547.84 = 1,257,445.86 : x
  2. Step 2: Convert to fraction form
    2,116,882.20/2,921,547.84 = 1,257,445.86/x
  3. Step 3: Cross multiply
    2,116,882.20x = 2,921,547.84 × 1,257,445.86
  4. Step 4: Simplify right side
    2,116,882.20x = 3,673,688,236,199.94
  5. Step 5: Solve for x
    x = 3,673,688,236,199.94/2,116,882.20
  6. Step 6: Final answer
    x = 1,735,424.03

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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.