Home / 3,221,378.17-4,445,510.75-1,771,221.85

Finding the Fourth Proportional to 3,221,378.17, 4,445,510.75 and 1,771,221.85

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Solution

The fourth proportional to 3,221,378.17, 4,445,510.75 and 1,771,221.85 is: 2,444,291.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221,378.17 : 4,445,510.75 = 1,771,221.85 : x
  2. Step 2: Convert to fraction form
    3,221,378.17/4,445,510.75 = 1,771,221.85/x
  3. Step 3: Cross multiply
    3,221,378.17x = 4,445,510.75 × 1,771,221.85
  4. Step 4: Simplify right side
    3,221,378.17x = 7,873,985,765,953.78
  5. Step 5: Solve for x
    x = 7,873,985,765,953.78/3,221,378.17
  6. Step 6: Final answer
    x = 2,444,291.03

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1.5x scale

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.