Home / 2,144,970.32-2,960,094.72-1,178,190.08

Finding the Fourth Proportional to 2,144,970.32, 2,960,094.72 and 1,178,190.08

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Solution

The fourth proportional to 2,144,970.32, 2,960,094.72 and 1,178,190.08 is: 1,625,921.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144,970.32 : 2,960,094.72 = 1,178,190.08 : x
  2. Step 2: Convert to fraction form
    2,144,970.32/2,960,094.72 = 1,178,190.08/x
  3. Step 3: Cross multiply
    2,144,970.32x = 2,960,094.72 × 1,178,190.08
  4. Step 4: Simplify right side
    2,144,970.32x = 3,487,554,234,964.38
  5. Step 5: Solve for x
    x = 3,487,554,234,964.38/2,144,970.32
  6. Step 6: Final answer
    x = 1,625,921.91

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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.