Home / 4,928,064-7,395,045.12-2,126,400

Finding the Fourth Proportional to 4,928,064, 7,395,045.12 and 2,126,400

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Solution

The fourth proportional to 4,928,064, 7,395,045.12 and 2,126,400 is: 3,190,872.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928,064 : 7,395,045.12 = 2,126,400 : x
  2. Step 2: Convert to fraction form
    4,928,064/7,395,045.12 = 2,126,400/x
  3. Step 3: Cross multiply
    4,928,064x = 7,395,045.12 × 2,126,400
  4. Step 4: Simplify right side
    4,928,064x = 15,724,823,943,168
  5. Step 5: Solve for x
    x = 15,724,823,943,168/4,928,064
  6. Step 6: Final answer
    x = 3,190,872.51

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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.