Home / 4,590,768-6,887,257.92-1,438,896

Finding the Fourth Proportional to 4,590,768, 6,887,257.92 and 1,438,896

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Solution

The fourth proportional to 4,590,768, 6,887,257.92 and 1,438,896 is: 2,158,690.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,590,768 : 6,887,257.92 = 1,438,896 : x
  2. Step 2: Convert to fraction form
    4,590,768/6,887,257.92 = 1,438,896/x
  3. Step 3: Cross multiply
    4,590,768x = 6,887,257.92 × 1,438,896
  4. Step 4: Simplify right side
    4,590,768x = 9,910,047,872,056.32
  5. Step 5: Solve for x
    x = 9,910,047,872,056.32/4,590,768
  6. Step 6: Final answer
    x = 2,158,690.63

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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.