Home / 2,934,543.60-4,401,815.40-1,977,949.80

Finding the Fourth Proportional to 2,934,543.60, 4,401,815.40 and 1,977,949.80

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Solution

The fourth proportional to 2,934,543.60, 4,401,815.40 and 1,977,949.80 is: 2,966,924.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934,543.60 : 4,401,815.40 = 1,977,949.80 : x
  2. Step 2: Convert to fraction form
    2,934,543.60/4,401,815.40 = 1,977,949.80/x
  3. Step 3: Cross multiply
    2,934,543.60x = 4,401,815.40 × 1,977,949.80
  4. Step 4: Simplify right side
    2,934,543.60x = 8,706,569,890,066.92
  5. Step 5: Solve for x
    x = 8,706,569,890,066.92/2,934,543.60
  6. Step 6: Final answer
    x = 2,966,924.70

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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.