Home / 2,575,884.79-3,863,702.49-978,323.20

Finding the Fourth Proportional to 2,575,884.79, 3,863,702.49 and 978,323.20

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Solution

The fourth proportional to 2,575,884.79, 3,863,702.49 and 978,323.20 is: 1,467,437.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575,884.79 : 3,863,702.49 = 978,323.20 : x
  2. Step 2: Convert to fraction form
    2,575,884.79/3,863,702.49 = 978,323.20/x
  3. Step 3: Cross multiply
    2,575,884.79x = 3,863,702.49 × 978,323.20
  4. Step 4: Simplify right side
    2,575,884.79x = 3,779,949,783,864.77
  5. Step 5: Solve for x
    x = 3,779,949,783,864.77/2,575,884.79
  6. Step 6: Final answer
    x = 1,467,437.44

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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.