Home / 2,254,953.12-3,111,811.60-1,236,355.36

Finding the Fourth Proportional to 2,254,953.12, 3,111,811.60 and 1,236,355.36

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Solution

The fourth proportional to 2,254,953.12, 3,111,811.60 and 1,236,355.36 is: 1,706,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254,953.12 : 3,111,811.60 = 1,236,355.36 : x
  2. Step 2: Convert to fraction form
    2,254,953.12/3,111,811.60 = 1,236,355.36/x
  3. Step 3: Cross multiply
    2,254,953.12x = 3,111,811.60 × 1,236,355.36
  4. Step 4: Simplify right side
    2,254,953.12x = 3,847,304,950,970.18
  5. Step 5: Solve for x
    x = 3,847,304,950,970.18/2,254,953.12
  6. Step 6: Final answer
    x = 1,706,157.40

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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.