Home / 5,036,666.40-7,556,749.20-2,198,815.20

Finding the Fourth Proportional to 5,036,666.40, 7,556,749.20 and 2,198,815.20

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Solution

The fourth proportional to 5,036,666.40, 7,556,749.20 and 2,198,815.20 is: 3,298,986.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,036,666.40 : 7,556,749.20 = 2,198,815.20 : x
  2. Step 2: Convert to fraction form
    5,036,666.40/7,556,749.20 = 2,198,815.20/x
  3. Step 3: Cross multiply
    5,036,666.40x = 7,556,749.20 × 2,198,815.20
  4. Step 4: Simplify right side
    5,036,666.40x = 16,615,895,003,547.84
  5. Step 5: Solve for x
    x = 16,615,895,003,547.84/5,036,666.40
  6. Step 6: Final answer
    x = 3,298,986.61

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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.