Home / 2,191,693.54-3,024,275.12-1,211,500.20

Finding the Fourth Proportional to 2,191,693.54, 3,024,275.12 and 1,211,500.20

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Solution

The fourth proportional to 2,191,693.54, 3,024,275.12 and 1,211,500.20 is: 1,671,725.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,693.54 : 3,024,275.12 = 1,211,500.20 : x
  2. Step 2: Convert to fraction form
    2,191,693.54/3,024,275.12 = 1,211,500.20/x
  3. Step 3: Cross multiply
    2,191,693.54x = 3,024,275.12 × 1,211,500.20
  4. Step 4: Simplify right side
    2,191,693.54x = 3,663,909,900,642.40
  5. Step 5: Solve for x
    x = 3,663,909,900,642.40/2,191,693.54
  6. Step 6: Final answer
    x = 1,671,725.46

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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.