Home / 3,539,311.24-5,308,985.82-879,919.24

Finding the Fourth Proportional to 3,539,311.24, 5,308,985.82 and 879,919.24

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Solution

The fourth proportional to 3,539,311.24, 5,308,985.82 and 879,919.24 is: 1,319,883.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539,311.24 : 5,308,985.82 = 879,919.24 : x
  2. Step 2: Convert to fraction form
    3,539,311.24/5,308,985.82 = 879,919.24/x
  3. Step 3: Cross multiply
    3,539,311.24x = 5,308,985.82 × 879,919.24
  4. Step 4: Simplify right side
    3,539,311.24x = 4,671,478,767,905.18
  5. Step 5: Solve for x
    x = 4,671,478,767,905.18/3,539,311.24
  6. Step 6: Final answer
    x = 1,319,883.57

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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.