Home / 3,084,140.81-4,256,432.39-1,777,438.73

Finding the Fourth Proportional to 3,084,140.81, 4,256,432.39 and 1,777,438.73

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Solution

The fourth proportional to 3,084,140.81, 4,256,432.39 and 1,777,438.73 is: 2,453,048.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084,140.81 : 4,256,432.39 = 1,777,438.73 : x
  2. Step 2: Convert to fraction form
    3,084,140.81/4,256,432.39 = 1,777,438.73/x
  3. Step 3: Cross multiply
    3,084,140.81x = 4,256,432.39 × 1,777,438.73
  4. Step 4: Simplify right side
    3,084,140.81x = 7,565,547,781,612.46
  5. Step 5: Solve for x
    x = 7,565,547,781,612.46/3,084,140.81
  6. Step 6: Final answer
    x = 2,453,048.76

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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.