Home / 3,109,140.61-4,662,769.80-1,087,007.60

Finding the Fourth Proportional to 3,109,140.61, 4,662,769.80 and 1,087,007.60

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Solution

The fourth proportional to 3,109,140.61, 4,662,769.80 and 1,087,007.60 is: 1,630,182.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,140.61 : 4,662,769.80 = 1,087,007.60 : x
  2. Step 2: Convert to fraction form
    3,109,140.61/4,662,769.80 = 1,087,007.60/x
  3. Step 3: Cross multiply
    3,109,140.61x = 4,662,769.80 × 1,087,007.60
  4. Step 4: Simplify right side
    3,109,140.61x = 5,068,466,221,307.40
  5. Step 5: Solve for x
    x = 5,068,466,221,307.40/3,109,140.61
  6. Step 6: Final answer
    x = 1,630,182.38

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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.