Home / 2,996,985.80-4,495,478.70-2,947,219.40

Finding the Fourth Proportional to 2,996,985.80, 4,495,478.70 and 2,947,219.40

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Solution

The fourth proportional to 2,996,985.80, 4,495,478.70 and 2,947,219.40 is: 4,420,829.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996,985.80 : 4,495,478.70 = 2,947,219.40 : x
  2. Step 2: Convert to fraction form
    2,996,985.80/4,495,478.70 = 2,947,219.40/x
  3. Step 3: Cross multiply
    2,996,985.80x = 4,495,478.70 × 2,947,219.40
  4. Step 4: Simplify right side
    2,996,985.80x = 13,249,162,036,926.78
  5. Step 5: Solve for x
    x = 13,249,162,036,926.78/2,996,985.80
  6. Step 6: Final answer
    x = 4,420,829.10

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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.