Home / 4,990,458.40-7,474,628.40-3,864,877.60

Finding the Fourth Proportional to 4,990,458.40, 7,474,628.40 and 3,864,877.60

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Solution

The fourth proportional to 4,990,458.40, 7,474,628.40 and 3,864,877.60 is: 5,788,751.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990,458.40 : 7,474,628.40 = 3,864,877.60 : x
  2. Step 2: Convert to fraction form
    4,990,458.40/7,474,628.40 = 3,864,877.60/x
  3. Step 3: Cross multiply
    4,990,458.40x = 7,474,628.40 × 3,864,877.60
  4. Step 4: Simplify right side
    4,990,458.40x = 28,888,523,871,483.84
  5. Step 5: Solve for x
    x = 28,888,523,871,483.84/4,990,458.40
  6. Step 6: Final answer
    x = 5,788,751.56

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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.