Home / 3,435,121.80-5,150,714.40-1,038,607.20

Finding the Fourth Proportional to 3,435,121.80, 5,150,714.40 and 1,038,607.20

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Solution

The fourth proportional to 3,435,121.80, 5,150,714.40 and 1,038,607.20 is: 1,557,315.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435,121.80 : 5,150,714.40 = 1,038,607.20 : x
  2. Step 2: Convert to fraction form
    3,435,121.80/5,150,714.40 = 1,038,607.20/x
  3. Step 3: Cross multiply
    3,435,121.80x = 5,150,714.40 × 1,038,607.20
  4. Step 4: Simplify right side
    3,435,121.80x = 5,349,569,060,983.68
  5. Step 5: Solve for x
    x = 5,349,569,060,983.68/3,435,121.80
  6. Step 6: Final answer
    x = 1,557,315.69

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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.