Home / 3,143,360.59-4,338,601.58-1,920,695.69

Finding the Fourth Proportional to 3,143,360.59, 4,338,601.58 and 1,920,695.69

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Solution

The fourth proportional to 3,143,360.59, 4,338,601.58 and 1,920,695.69 is: 2,651,026.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,360.59 : 4,338,601.58 = 1,920,695.69 : x
  2. Step 2: Convert to fraction form
    3,143,360.59/4,338,601.58 = 1,920,695.69/x
  3. Step 3: Cross multiply
    3,143,360.59x = 4,338,601.58 × 1,920,695.69
  4. Step 4: Simplify right side
    3,143,360.59x = 8,333,133,370,981.43
  5. Step 5: Solve for x
    x = 8,333,133,370,981.43/3,143,360.59
  6. Step 6: Final answer
    x = 2,651,026.87

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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.