Home / 1,892,087.71-2,610,172.96-1,238,426.21

Finding the Fourth Proportional to 1,892,087.71, 2,610,172.96 and 1,238,426.21

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Solution

The fourth proportional to 1,892,087.71, 2,610,172.96 and 1,238,426.21 is: 1,708,433.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892,087.71 : 2,610,172.96 = 1,238,426.21 : x
  2. Step 2: Convert to fraction form
    1,892,087.71/2,610,172.96 = 1,238,426.21/x
  3. Step 3: Cross multiply
    1,892,087.71x = 2,610,172.96 × 1,238,426.21
  4. Step 4: Simplify right side
    1,892,087.71x = 3,232,506,609,726.65
  5. Step 5: Solve for x
    x = 3,232,506,609,726.65/1,892,087.71
  6. Step 6: Final answer
    x = 1,708,433.81

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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.