Home / 2,679,641.60-4,020,628.80-1,349,945.60

Finding the Fourth Proportional to 2,679,641.60, 4,020,628.80 and 1,349,945.60

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Solution

The fourth proportional to 2,679,641.60, 4,020,628.80 and 1,349,945.60 is: 2,025,506.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,641.60 : 4,020,628.80 = 1,349,945.60 : x
  2. Step 2: Convert to fraction form
    2,679,641.60/4,020,628.80 = 1,349,945.60/x
  3. Step 3: Cross multiply
    2,679,641.60x = 4,020,628.80 × 1,349,945.60
  4. Step 4: Simplify right side
    2,679,641.60x = 5,427,630,157,793.28
  5. Step 5: Solve for x
    x = 5,427,630,157,793.28/2,679,641.60
  6. Step 6: Final answer
    x = 2,025,506.01

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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.