Home / 1,678,955.04-2,315,887.20-1,373,474.88

Finding the Fourth Proportional to 1,678,955.04, 2,315,887.20 and 1,373,474.88

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Solution

The fourth proportional to 1,678,955.04, 2,315,887.20 and 1,373,474.88 is: 1,894,519.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,955.04 : 2,315,887.20 = 1,373,474.88 : x
  2. Step 2: Convert to fraction form
    1,678,955.04/2,315,887.20 = 1,373,474.88/x
  3. Step 3: Cross multiply
    1,678,955.04x = 2,315,887.20 × 1,373,474.88
  4. Step 4: Simplify right side
    1,678,955.04x = 3,180,812,894,113.54
  5. Step 5: Solve for x
    x = 3,180,812,894,113.54/1,678,955.04
  6. Step 6: Final answer
    x = 1,894,519.40

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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.