Home / 3,110,647.79-4,665,528.82-980,455.12

Finding the Fourth Proportional to 3,110,647.79, 4,665,528.82 and 980,455.12

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Solution

The fourth proportional to 3,110,647.79, 4,665,528.82 and 980,455.12 is: 1,470,543.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110,647.79 : 4,665,528.82 = 980,455.12 : x
  2. Step 2: Convert to fraction form
    3,110,647.79/4,665,528.82 = 980,455.12/x
  3. Step 3: Cross multiply
    3,110,647.79x = 4,665,528.82 × 980,455.12
  4. Step 4: Simplify right side
    3,110,647.79x = 4,574,341,608,638.31
  5. Step 5: Solve for x
    x = 4,574,341,608,638.31/3,110,647.79
  6. Step 6: Final answer
    x = 1,470,543.09

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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.