Home / 2,157,073.16-2,976,823.26-1,190,265.71

Finding the Fourth Proportional to 2,157,073.16, 2,976,823.26 and 1,190,265.71

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Solution

The fourth proportional to 2,157,073.16, 2,976,823.26 and 1,190,265.71 is: 1,642,601.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,073.16 : 2,976,823.26 = 1,190,265.71 : x
  2. Step 2: Convert to fraction form
    2,157,073.16/2,976,823.26 = 1,190,265.71/x
  3. Step 3: Cross multiply
    2,157,073.16x = 2,976,823.26 × 1,190,265.71
  4. Step 4: Simplify right side
    2,157,073.16x = 3,543,210,636,224.30
  5. Step 5: Solve for x
    x = 3,543,210,636,224.30/2,157,073.16
  6. Step 6: Final answer
    x = 1,642,601.05

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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.