Home / 2,106,857.04-2,907,454.68-1,139,989.20

Finding the Fourth Proportional to 2,106,857.04, 2,907,454.68 and 1,139,989.20

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Solution

The fourth proportional to 2,106,857.04, 2,907,454.68 and 1,139,989.20 is: 1,573,180.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,857.04 : 2,907,454.68 = 1,139,989.20 : x
  2. Step 2: Convert to fraction form
    2,106,857.04/2,907,454.68 = 1,139,989.20/x
  3. Step 3: Cross multiply
    2,106,857.04x = 2,907,454.68 × 1,139,989.20
  4. Step 4: Simplify right side
    2,106,857.04x = 3,314,466,934,689.46
  5. Step 5: Solve for x
    x = 3,314,466,934,689.46/2,106,857.04
  6. Step 6: Final answer
    x = 1,573,180.75

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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.