Home / 1,535,982.78-2,120,453.15-1,122,054.76

Finding the Fourth Proportional to 1,535,982.78, 2,120,453.15 and 1,122,054.76

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Solution

The fourth proportional to 1,535,982.78, 2,120,453.15 and 1,122,054.76 is: 1,549,017.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,982.78 : 2,120,453.15 = 1,122,054.76 : x
  2. Step 2: Convert to fraction form
    1,535,982.78/2,120,453.15 = 1,122,054.76/x
  3. Step 3: Cross multiply
    1,535,982.78x = 2,120,453.15 × 1,122,054.76
  4. Step 4: Simplify right side
    1,535,982.78x = 2,379,264,550,314.49
  5. Step 5: Solve for x
    x = 2,379,264,550,314.49/1,535,982.78
  6. Step 6: Final answer
    x = 1,549,017.72

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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.