Home / 2,996,934.80-4,495,402.20-2,978,272.40

Finding the Fourth Proportional to 2,996,934.80, 4,495,402.20 and 2,978,272.40

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Solution

The fourth proportional to 2,996,934.80, 4,495,402.20 and 2,978,272.40 is: 4,467,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996,934.80 : 4,495,402.20 = 2,978,272.40 : x
  2. Step 2: Convert to fraction form
    2,996,934.80/4,495,402.20 = 2,978,272.40/x
  3. Step 3: Cross multiply
    2,996,934.80x = 4,495,402.20 × 2,978,272.40
  4. Step 4: Simplify right side
    2,996,934.80x = 13,388,532,299,159.28
  5. Step 5: Solve for x
    x = 13,388,532,299,159.28/2,996,934.80
  6. Step 6: Final answer
    x = 4,467,408.60

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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.