Home / 6,440,734.02-8,888,446.80-3,540,345.60

Finding the Fourth Proportional to 6,440,734.02, 8,888,446.80 and 3,540,345.60

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Solution

The fourth proportional to 6,440,734.02, 8,888,446.80 and 3,540,345.60 is: 4,885,805.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440,734.02 : 8,888,446.80 = 3,540,345.60 : x
  2. Step 2: Convert to fraction form
    6,440,734.02/8,888,446.80 = 3,540,345.60/x
  3. Step 3: Cross multiply
    6,440,734.02x = 8,888,446.80 × 3,540,345.60
  4. Step 4: Simplify right side
    6,440,734.02x = 31,468,173,519,214.08
  5. Step 5: Solve for x
    x = 31,468,173,519,214.08/6,440,734.02
  6. Step 6: Final answer
    x = 4,885,805.47

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1.5x scale

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.