Home / 6,445,749.78-8,895,088.19-3,545,078.38

Finding the Fourth Proportional to 6,445,749.78, 8,895,088.19 and 3,545,078.38

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Solution

The fourth proportional to 6,445,749.78, 8,895,088.19 and 3,545,078.38 is: 4,892,182.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445,749.78 : 8,895,088.19 = 3,545,078.38 : x
  2. Step 2: Convert to fraction form
    6,445,749.78/8,895,088.19 = 3,545,078.38/x
  3. Step 3: Cross multiply
    6,445,749.78x = 8,895,088.19 × 3,545,078.38
  4. Step 4: Simplify right side
    6,445,749.78x = 31,533,784,817,187.31
  5. Step 5: Solve for x
    x = 31,533,784,817,187.31/6,445,749.78
  6. Step 6: Final answer
    x = 4,892,182.58

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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.