Home / 6,178,276.20-9,268,289.10-1,918,000.20

Finding the Fourth Proportional to 6,178,276.20, 9,268,289.10 and 1,918,000.20

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Solution

The fourth proportional to 6,178,276.20, 9,268,289.10 and 1,918,000.20 is: 2,877,271.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,178,276.20 : 9,268,289.10 = 1,918,000.20 : x
  2. Step 2: Convert to fraction form
    6,178,276.20/9,268,289.10 = 1,918,000.20/x
  3. Step 3: Cross multiply
    6,178,276.20x = 9,268,289.10 × 1,918,000.20
  4. Step 4: Simplify right side
    6,178,276.20x = 17,776,580,347,457.82
  5. Step 5: Solve for x
    x = 17,776,580,347,457.82/6,178,276.20
  6. Step 6: Final answer
    x = 2,877,271.88

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1.5x scale

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.