Home / 3,315,746.70-4,973,619.76-919,591.28

Finding the Fourth Proportional to 3,315,746.70, 4,973,619.76 and 919,591.28

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Solution

The fourth proportional to 3,315,746.70, 4,973,619.76 and 919,591.28 is: 1,379,386.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,746.70 : 4,973,619.76 = 919,591.28 : x
  2. Step 2: Convert to fraction form
    3,315,746.70/4,973,619.76 = 919,591.28/x
  3. Step 3: Cross multiply
    3,315,746.70x = 4,973,619.76 × 919,591.28
  4. Step 4: Simplify right side
    3,315,746.70x = 4,573,697,361,331.69
  5. Step 5: Solve for x
    x = 4,573,697,361,331.69/3,315,746.70
  6. Step 6: Final answer
    x = 1,379,386.84

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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.