Home / 5,249,995.40-7,876,742.70-2,556,000.20

Finding the Fourth Proportional to 5,249,995.40, 7,876,742.70 and 2,556,000.20

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Solution

The fourth proportional to 5,249,995.40, 7,876,742.70 and 2,556,000.20 is: 3,834,852.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249,995.40 : 7,876,742.70 = 2,556,000.20 : x
  2. Step 2: Convert to fraction form
    5,249,995.40/7,876,742.70 = 2,556,000.20/x
  3. Step 3: Cross multiply
    5,249,995.40x = 7,876,742.70 × 2,556,000.20
  4. Step 4: Simplify right side
    5,249,995.40x = 20,132,955,916,548.54
  5. Step 5: Solve for x
    x = 20,132,955,916,548.54/5,249,995.40
  6. Step 6: Final answer
    x = 3,834,852.11

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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.