Home / 3,157,430.76-4,359,246.84-2,190,222.72

Finding the Fourth Proportional to 3,157,430.76, 4,359,246.84 and 2,190,222.72

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Solution

The fourth proportional to 3,157,430.76, 4,359,246.84 and 2,190,222.72 is: 3,023,889.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157,430.76 : 4,359,246.84 = 2,190,222.72 : x
  2. Step 2: Convert to fraction form
    3,157,430.76/4,359,246.84 = 2,190,222.72/x
  3. Step 3: Cross multiply
    3,157,430.76x = 4,359,246.84 × 2,190,222.72
  4. Step 4: Simplify right side
    3,157,430.76x = 9,547,721,471,056.21
  5. Step 5: Solve for x
    x = 9,547,721,471,056.21/3,157,430.76
  6. Step 6: Final answer
    x = 3,023,889.42

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Double scale
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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.