Home / 1,820,977.92-2,512,950.06-1,005,182.16

Finding the Fourth Proportional to 1,820,977.92, 2,512,950.06 and 1,005,182.16

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Solution

The fourth proportional to 1,820,977.92, 2,512,950.06 and 1,005,182.16 is: 1,387,151.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,977.92 : 2,512,950.06 = 1,005,182.16 : x
  2. Step 2: Convert to fraction form
    1,820,977.92/2,512,950.06 = 1,005,182.16/x
  3. Step 3: Cross multiply
    1,820,977.92x = 2,512,950.06 × 1,005,182.16
  4. Step 4: Simplify right side
    1,820,977.92x = 2,525,972,569,282.93
  5. Step 5: Solve for x
    x = 2,525,972,569,282.93/1,820,977.92
  6. Step 6: Final answer
    x = 1,387,151.67

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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.