Home / 3,221,749.28-4,445,922-1,771,442.72

Finding the Fourth Proportional to 3,221,749.28, 4,445,922 and 1,771,442.72

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Solution

The fourth proportional to 3,221,749.28, 4,445,922 and 1,771,442.72 is: 2,444,540.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221,749.28 : 4,445,922 = 1,771,442.72 : x
  2. Step 2: Convert to fraction form
    3,221,749.28/4,445,922 = 1,771,442.72/x
  3. Step 3: Cross multiply
    3,221,749.28x = 4,445,922 × 1,771,442.72
  4. Step 4: Simplify right side
    3,221,749.28x = 7,875,696,160,587.84
  5. Step 5: Solve for x
    x = 7,875,696,160,587.84/3,221,749.28
  6. Step 6: Final answer
    x = 2,444,540.36

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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.