Home / 2,152,158.60-2,970,113.14-1,185,288.65

Finding the Fourth Proportional to 2,152,158.60, 2,970,113.14 and 1,185,288.65

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Solution

The fourth proportional to 2,152,158.60, 2,970,113.14 and 1,185,288.65 is: 1,635,772.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152,158.60 : 2,970,113.14 = 1,185,288.65 : x
  2. Step 2: Convert to fraction form
    2,152,158.60/2,970,113.14 = 1,185,288.65/x
  3. Step 3: Cross multiply
    2,152,158.60x = 2,970,113.14 × 1,185,288.65
  4. Step 4: Simplify right side
    2,152,158.60x = 3,520,441,376,244.07
  5. Step 5: Solve for x
    x = 3,520,441,376,244.07/2,152,158.60
  6. Step 6: Final answer
    x = 1,635,772.28

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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.