Home / 2,631,129.60-3,630,970.08-1,423,905.60

Finding the Fourth Proportional to 2,631,129.60, 3,630,970.08 and 1,423,905.60

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Solution

The fourth proportional to 2,631,129.60, 3,630,970.08 and 1,423,905.60 is: 1,964,995.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,129.60 : 3,630,970.08 = 1,423,905.60 : x
  2. Step 2: Convert to fraction form
    2,631,129.60/3,630,970.08 = 1,423,905.60/x
  3. Step 3: Cross multiply
    2,631,129.60x = 3,630,970.08 × 1,423,905.60
  4. Step 4: Simplify right side
    2,631,129.60x = 5,170,158,630,344.45
  5. Step 5: Solve for x
    x = 5,170,158,630,344.45/2,631,129.60
  6. Step 6: Final answer
    x = 1,964,995.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.