Home / 2,999,920.82-4,139,897.73-1,641,881.30

Finding the Fourth Proportional to 2,999,920.82, 4,139,897.73 and 1,641,881.30

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Solution

The fourth proportional to 2,999,920.82, 4,139,897.73 and 1,641,881.30 is: 2,265,800.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999,920.82 : 4,139,897.73 = 1,641,881.30 : x
  2. Step 2: Convert to fraction form
    2,999,920.82/4,139,897.73 = 1,641,881.30/x
  3. Step 3: Cross multiply
    2,999,920.82x = 4,139,897.73 × 1,641,881.30
  4. Step 4: Simplify right side
    2,999,920.82x = 6,797,220,666,799.45
  5. Step 5: Solve for x
    x = 6,797,220,666,799.45/2,999,920.82
  6. Step 6: Final answer
    x = 2,265,800.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.