Home / 2,071,890.80-3,108,176.40-651,604.40

Finding the Fourth Proportional to 2,071,890.80, 3,108,176.40 and 651,604.40

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Solution

The fourth proportional to 2,071,890.80, 3,108,176.40 and 651,604.40 is: 977,513.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,890.80 : 3,108,176.40 = 651,604.40 : x
  2. Step 2: Convert to fraction form
    2,071,890.80/3,108,176.40 = 651,604.40/x
  3. Step 3: Cross multiply
    2,071,890.80x = 3,108,176.40 × 651,604.40
  4. Step 4: Simplify right side
    2,071,890.80x = 2,025,301,418,216.16
  5. Step 5: Solve for x
    x = 2,025,301,418,216.16/2,071,890.80
  6. Step 6: Final answer
    x = 977,513.59

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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.