Home / 2,157,017.95-2,976,747.09-1,190,210.52

Finding the Fourth Proportional to 2,157,017.95, 2,976,747.09 and 1,190,210.52

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Solution

The fourth proportional to 2,157,017.95, 2,976,747.09 and 1,190,210.52 is: 1,642,524.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,017.95 : 2,976,747.09 = 1,190,210.52 : x
  2. Step 2: Convert to fraction form
    2,157,017.95/2,976,747.09 = 1,190,210.52/x
  3. Step 3: Cross multiply
    2,157,017.95x = 2,976,747.09 × 1,190,210.52
  4. Step 4: Simplify right side
    2,157,017.95x = 3,542,955,701,897.39
  5. Step 5: Solve for x
    x = 3,542,955,701,897.39/2,157,017.95
  6. Step 6: Final answer
    x = 1,642,524.90

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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.