Home / 2,486,235.72-3,430,033.62-1,398,257.76

Finding the Fourth Proportional to 2,486,235.72, 3,430,033.62 and 1,398,257.76

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Solution

The fourth proportional to 2,486,235.72, 3,430,033.62 and 1,398,257.76 is: 1,929,049.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,235.72 : 3,430,033.62 = 1,398,257.76 : x
  2. Step 2: Convert to fraction form
    2,486,235.72/3,430,033.62 = 1,398,257.76/x
  3. Step 3: Cross multiply
    2,486,235.72x = 3,430,033.62 × 1,398,257.76
  4. Step 4: Simplify right side
    2,486,235.72x = 4,796,071,126,225.89
  5. Step 5: Solve for x
    x = 4,796,071,126,225.89/2,486,235.72
  6. Step 6: Final answer
    x = 1,929,049.24

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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.