Home / 2,157,045.04-2,976,784.45-1,190,237.61

Finding the Fourth Proportional to 2,157,045.04, 2,976,784.45 and 1,190,237.61

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Solution

The fourth proportional to 2,157,045.04, 2,976,784.45 and 1,190,237.61 is: 1,642,562.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,045.04 : 2,976,784.45 = 1,190,237.61 : x
  2. Step 2: Convert to fraction form
    2,157,045.04/2,976,784.45 = 1,190,237.61/x
  3. Step 3: Cross multiply
    2,157,045.04x = 2,976,784.45 × 1,190,237.61
  4. Step 4: Simplify right side
    2,157,045.04x = 3,543,080,809,253.17
  5. Step 5: Solve for x
    x = 3,543,080,809,253.17/2,157,045.04
  6. Step 6: Final answer
    x = 1,642,562.28

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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.