Home / 3,315,746.20-4,973,619.01-919,590.79

Finding the Fourth Proportional to 3,315,746.20, 4,973,619.01 and 919,590.79

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Solution

The fourth proportional to 3,315,746.20, 4,973,619.01 and 919,590.79 is: 1,379,386.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,746.20 : 4,973,619.01 = 919,590.79 : x
  2. Step 2: Convert to fraction form
    3,315,746.20/4,973,619.01 = 919,590.79/x
  3. Step 3: Cross multiply
    3,315,746.20x = 4,973,619.01 × 919,590.79
  4. Step 4: Simplify right side
    3,315,746.20x = 4,573,694,234,564.92
  5. Step 5: Solve for x
    x = 4,573,694,234,564.92/3,315,746.20
  6. Step 6: Final answer
    x = 1,379,386.10

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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.