Home / 4,906,065.78-7,358,519.12-1,312,111.31

Finding the Fourth Proportional to 4,906,065.78, 7,358,519.12 and 1,312,111.31

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Solution

The fourth proportional to 4,906,065.78, 7,358,519.12 and 1,312,111.31 is: 1,968,011.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906,065.78 : 7,358,519.12 = 1,312,111.31 : x
  2. Step 2: Convert to fraction form
    4,906,065.78/7,358,519.12 = 1,312,111.31/x
  3. Step 3: Cross multiply
    4,906,065.78x = 7,358,519.12 × 1,312,111.31
  4. Step 4: Simplify right side
    4,906,065.78x = 9,655,196,118,850.10
  5. Step 5: Solve for x
    x = 9,655,196,118,850.10/4,906,065.78
  6. Step 6: Final answer
    x = 1,968,011.96

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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.