Home / 1,666,823.40-2,497,282.65-1,412,912.70

Finding the Fourth Proportional to 1,666,823.40, 2,497,282.65 and 1,412,912.70

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Solution

The fourth proportional to 1,666,823.40, 2,497,282.65 and 1,412,912.70 is: 2,116,866.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,823.40 : 2,497,282.65 = 1,412,912.70 : x
  2. Step 2: Convert to fraction form
    1,666,823.40/2,497,282.65 = 1,412,912.70/x
  3. Step 3: Cross multiply
    1,666,823.40x = 2,497,282.65 × 1,412,912.70
  4. Step 4: Simplify right side
    1,666,823.40x = 3,528,442,371,674.66
  5. Step 5: Solve for x
    x = 3,528,442,371,674.66/1,666,823.40
  6. Step 6: Final answer
    x = 2,116,866.35

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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.