Home / 2,000,920.59-2,999,698.92-1,620,898.97

Finding the Fourth Proportional to 2,000,920.59, 2,999,698.92 and 1,620,898.97

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Solution

The fourth proportional to 2,000,920.59, 2,999,698.92 and 1,620,898.97 is: 2,429,985.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,000,920.59 : 2,999,698.92 = 1,620,898.97 : x
  2. Step 2: Convert to fraction form
    2,000,920.59/2,999,698.92 = 1,620,898.97/x
  3. Step 3: Cross multiply
    2,000,920.59x = 2,999,698.92 × 1,620,898.97
  4. Step 4: Simplify right side
    2,000,920.59x = 4,862,208,874,739.62
  5. Step 5: Solve for x
    x = 4,862,208,874,739.62/2,000,920.59
  6. Step 6: Final answer
    x = 2,429,985.93

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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.