Home / 5,140,440.04-7,708,132.86-2,106,983.56

Finding the Fourth Proportional to 5,140,440.04, 7,708,132.86 and 2,106,983.56

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Solution

The fourth proportional to 5,140,440.04, 7,708,132.86 and 2,106,983.56 is: 3,159,439.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140,440.04 : 7,708,132.86 = 2,106,983.56 : x
  2. Step 2: Convert to fraction form
    5,140,440.04/7,708,132.86 = 2,106,983.56/x
  3. Step 3: Cross multiply
    5,140,440.04x = 7,708,132.86 × 2,106,983.56
  4. Step 4: Simplify right side
    5,140,440.04x = 16,240,909,214,315.78
  5. Step 5: Solve for x
    x = 16,240,909,214,315.78/5,140,440.04
  6. Step 6: Final answer
    x = 3,159,439.48

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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.