Home / 2,767,486.40-4,150,840.80-874,419.20

Finding the Fourth Proportional to 2,767,486.40, 4,150,840.80 and 874,419.20

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Solution

The fourth proportional to 2,767,486.40, 4,150,840.80 and 874,419.20 is: 1,311,505.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767,486.40 : 4,150,840.80 = 874,419.20 : x
  2. Step 2: Convert to fraction form
    2,767,486.40/4,150,840.80 = 874,419.20/x
  3. Step 3: Cross multiply
    2,767,486.40x = 4,150,840.80 × 874,419.20
  4. Step 4: Simplify right side
    2,767,486.40x = 3,629,574,891,663.36
  5. Step 5: Solve for x
    x = 3,629,574,891,663.36/2,767,486.40
  6. Step 6: Final answer
    x = 1,311,505.95

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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.