Home / 2,157,083.19-2,976,836.63-1,190,275.76

Finding the Fourth Proportional to 2,157,083.19, 2,976,836.63 and 1,190,275.76

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Solution

The fourth proportional to 2,157,083.19, 2,976,836.63 and 1,190,275.76 is: 1,642,614.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,083.19 : 2,976,836.63 = 1,190,275.76 : x
  2. Step 2: Convert to fraction form
    2,157,083.19/2,976,836.63 = 1,190,275.76/x
  3. Step 3: Cross multiply
    2,157,083.19x = 2,976,836.63 × 1,190,275.76
  4. Step 4: Simplify right side
    2,157,083.19x = 3,543,256,461,333.53
  5. Step 5: Solve for x
    x = 3,543,256,461,333.53/2,157,083.19
  6. Step 6: Final answer
    x = 1,642,614.66

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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.