Home / 3,315,370.60-4,973,056.10-919,215.28

Finding the Fourth Proportional to 3,315,370.60, 4,973,056.10 and 919,215.28

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Solution

The fourth proportional to 3,315,370.60, 4,973,056.10 and 919,215.28 is: 1,378,822.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,370.60 : 4,973,056.10 = 919,215.28 : x
  2. Step 2: Convert to fraction form
    3,315,370.60/4,973,056.10 = 919,215.28/x
  3. Step 3: Cross multiply
    3,315,370.60x = 4,973,056.10 × 919,215.28
  4. Step 4: Simplify right side
    3,315,370.60x = 4,571,309,155,417.21
  5. Step 5: Solve for x
    x = 4,571,309,155,417.21/3,315,370.60
  6. Step 6: Final answer
    x = 1,378,822.98

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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.