Home / 3,158,881.28-4,359,256.48-1,708,576.80

Finding the Fourth Proportional to 3,158,881.28, 4,359,256.48 and 1,708,576.80

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Solution

The fourth proportional to 3,158,881.28, 4,359,256.48 and 1,708,576.80 is: 2,357,836.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,881.28 : 4,359,256.48 = 1,708,576.80 : x
  2. Step 2: Convert to fraction form
    3,158,881.28/4,359,256.48 = 1,708,576.80/x
  3. Step 3: Cross multiply
    3,158,881.28x = 4,359,256.48 × 1,708,576.80
  4. Step 4: Simplify right side
    3,158,881.28x = 7,448,124,486,977.67
  5. Step 5: Solve for x
    x = 7,448,124,486,977.67/3,158,881.28
  6. Step 6: Final answer
    x = 2,357,836.15

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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.