Home / 1,769,487.23-2,642,228.89-1,405,573.16

Finding the Fourth Proportional to 1,769,487.23, 2,642,228.89 and 1,405,573.16

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Solution

The fourth proportional to 1,769,487.23, 2,642,228.89 and 1,405,573.16 is: 2,098,826.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,487.23 : 2,642,228.89 = 1,405,573.16 : x
  2. Step 2: Convert to fraction form
    1,769,487.23/2,642,228.89 = 1,405,573.16/x
  3. Step 3: Cross multiply
    1,769,487.23x = 2,642,228.89 × 1,405,573.16
  4. Step 4: Simplify right side
    1,769,487.23x = 3,713,846,010,360.59
  5. Step 5: Solve for x
    x = 3,713,846,010,360.59/1,769,487.23
  6. Step 6: Final answer
    x = 2,098,826.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.