Home / 1,971,323.84-2,721,658.51-1,511,555.24

Finding the Fourth Proportional to 1,971,323.84, 2,721,658.51 and 1,511,555.24

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Solution

The fourth proportional to 1,971,323.84, 2,721,658.51 and 1,511,555.24 is: 2,086,890.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,323.84 : 2,721,658.51 = 1,511,555.24 : x
  2. Step 2: Convert to fraction form
    1,971,323.84/2,721,658.51 = 1,511,555.24/x
  3. Step 3: Cross multiply
    1,971,323.84x = 2,721,658.51 × 1,511,555.24
  4. Step 4: Simplify right side
    1,971,323.84x = 4,113,937,190,974.68
  5. Step 5: Solve for x
    x = 4,113,937,190,974.68/1,971,323.84
  6. Step 6: Final answer
    x = 2,086,890.60

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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.