Home / 5,457,130.20-8,185,723.65-1,413,334.80

Finding the Fourth Proportional to 5,457,130.20, 8,185,723.65 and 1,413,334.80

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Solution

The fourth proportional to 5,457,130.20, 8,185,723.65 and 1,413,334.80 is: 2,120,009.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457,130.20 : 8,185,723.65 = 1,413,334.80 : x
  2. Step 2: Convert to fraction form
    5,457,130.20/8,185,723.65 = 1,413,334.80/x
  3. Step 3: Cross multiply
    5,457,130.20x = 8,185,723.65 × 1,413,334.80
  4. Step 4: Simplify right side
    5,457,130.20x = 11,569,168,097,728.02
  5. Step 5: Solve for x
    x = 11,569,168,097,728.02/5,457,130.20
  6. Step 6: Final answer
    x = 2,120,009.54

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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.