Home / 5,112,309.60-7,668,464.40-1,518,631.20

Finding the Fourth Proportional to 5,112,309.60, 7,668,464.40 and 1,518,631.20

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Solution

The fourth proportional to 5,112,309.60, 7,668,464.40 and 1,518,631.20 is: 2,277,946.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,309.60 : 7,668,464.40 = 1,518,631.20 : x
  2. Step 2: Convert to fraction form
    5,112,309.60/7,668,464.40 = 1,518,631.20/x
  3. Step 3: Cross multiply
    5,112,309.60x = 7,668,464.40 × 1,518,631.20
  4. Step 4: Simplify right side
    5,112,309.60x = 11,645,569,293,929.28
  5. Step 5: Solve for x
    x = 11,645,569,293,929.28/5,112,309.60
  6. Step 6: Final answer
    x = 2,277,946.80

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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.