Home / 2,906,944.31-4,360,455.35-912,400.31

Finding the Fourth Proportional to 2,906,944.31, 4,360,455.35 and 912,400.31

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Solution

The fourth proportional to 2,906,944.31, 4,360,455.35 and 912,400.31 is: 1,368,612.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,906,944.31 : 4,360,455.35 = 912,400.31 : x
  2. Step 2: Convert to fraction form
    2,906,944.31/4,360,455.35 = 912,400.31/x
  3. Step 3: Cross multiply
    2,906,944.31x = 4,360,455.35 × 912,400.31
  4. Step 4: Simplify right side
    2,906,944.31x = 3,978,480,822,841.80
  5. Step 5: Solve for x
    x = 3,978,480,822,841.80/2,906,944.31
  6. Step 6: Final answer
    x = 1,368,612.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.