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Finding the Fourth Proportional to 6,556,955.12, 9,829,478.53 and 2,294,798.30

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Solution

The fourth proportional to 6,556,955.12, 9,829,478.53 and 2,294,798.30 is: 3,440,113.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,556,955.12 : 9,829,478.53 = 2,294,798.30 : x
  2. Step 2: Convert to fraction form
    6,556,955.12/9,829,478.53 = 2,294,798.30/x
  3. Step 3: Cross multiply
    6,556,955.12x = 9,829,478.53 × 2,294,798.30
  4. Step 4: Simplify right side
    6,556,955.12x = 22,556,670,620,530.50
  5. Step 5: Solve for x
    x = 22,556,670,620,530.50/6,556,955.12
  6. Step 6: Final answer
    x = 3,440,113.62

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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.