Home / 4,990,307.86-7,485,734.04-1,578,339.64

Finding the Fourth Proportional to 4,990,307.86, 7,485,734.04 and 1,578,339.64

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Solution

The fourth proportional to 4,990,307.86, 7,485,734.04 and 1,578,339.64 is: 2,367,595.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990,307.86 : 7,485,734.04 = 1,578,339.64 : x
  2. Step 2: Convert to fraction form
    4,990,307.86/7,485,734.04 = 1,578,339.64/x
  3. Step 3: Cross multiply
    4,990,307.86x = 7,485,734.04 × 1,578,339.64
  4. Step 4: Simplify right side
    4,990,307.86x = 11,815,030,769,829.35
  5. Step 5: Solve for x
    x = 11,815,030,769,829.35/4,990,307.86
  6. Step 6: Final answer
    x = 2,367,595.57

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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.