Home / 5,390,457.70-8,085,686.55-2,556,105.70

Finding the Fourth Proportional to 5,390,457.70, 8,085,686.55 and 2,556,105.70

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Solution

The fourth proportional to 5,390,457.70, 8,085,686.55 and 2,556,105.70 is: 3,834,158.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,457.70 : 8,085,686.55 = 2,556,105.70 : x
  2. Step 2: Convert to fraction form
    5,390,457.70/8,085,686.55 = 2,556,105.70/x
  3. Step 3: Cross multiply
    5,390,457.70x = 8,085,686.55 × 2,556,105.70
  4. Step 4: Simplify right side
    5,390,457.70x = 20,667,869,478,868.34
  5. Step 5: Solve for x
    x = 20,667,869,478,868.34/5,390,457.70
  6. Step 6: Final answer
    x = 3,834,158.55

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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.