Home / 1,998,400.60-2,992,352.10-1,574,997.40

Finding the Fourth Proportional to 1,998,400.60, 2,992,352.10 and 1,574,997.40

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Solution

The fourth proportional to 1,998,400.60, 2,992,352.10 and 1,574,997.40 is: 2,358,359.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,400.60 : 2,992,352.10 = 1,574,997.40 : x
  2. Step 2: Convert to fraction form
    1,998,400.60/2,992,352.10 = 1,574,997.40/x
  3. Step 3: Cross multiply
    1,998,400.60x = 2,992,352.10 × 1,574,997.40
  4. Step 4: Simplify right side
    1,998,400.60x = 4,712,946,777,384.54
  5. Step 5: Solve for x
    x = 4,712,946,777,384.54/1,998,400.60
  6. Step 6: Final answer
    x = 2,358,359.37

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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.