Home / 1,873,907.71-2,811,981.40-1,721,450.58

Finding the Fourth Proportional to 1,873,907.71, 2,811,981.40 and 1,721,450.58

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Solution

The fourth proportional to 1,873,907.71, 2,811,981.40 and 1,721,450.58 is: 2,583,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873,907.71 : 2,811,981.40 = 1,721,450.58 : x
  2. Step 2: Convert to fraction form
    1,873,907.71/2,811,981.40 = 1,721,450.58/x
  3. Step 3: Cross multiply
    1,873,907.71x = 2,811,981.40 × 1,721,450.58
  4. Step 4: Simplify right side
    1,873,907.71x = 4,840,687,011,979.21
  5. Step 5: Solve for x
    x = 4,840,687,011,979.21/1,873,907.71
  6. Step 6: Final answer
    x = 2,583,204.60

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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.