Home / 3,956,356.81-5,459,775.47-2,145,520.81

Finding the Fourth Proportional to 3,956,356.81, 5,459,775.47 and 2,145,520.81

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Solution

The fourth proportional to 3,956,356.81, 5,459,775.47 and 2,145,520.81 is: 2,960,820.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956,356.81 : 5,459,775.47 = 2,145,520.81 : x
  2. Step 2: Convert to fraction form
    3,956,356.81/5,459,775.47 = 2,145,520.81/x
  3. Step 3: Cross multiply
    3,956,356.81x = 5,459,775.47 × 2,145,520.81
  4. Step 4: Simplify right side
    3,956,356.81x = 11,714,061,888,812.53
  5. Step 5: Solve for x
    x = 11,714,061,888,812.53/3,956,356.81
  6. Step 6: Final answer
    x = 2,960,820.38

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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.