Home / 1,665,816.60-2,497,266.90-1,131,605.40

Finding the Fourth Proportional to 1,665,816.60, 2,497,266.90 and 1,131,605.40

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Solution

The fourth proportional to 1,665,816.60, 2,497,266.90 and 1,131,605.40 is: 1,696,417.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,816.60 : 2,497,266.90 = 1,131,605.40 : x
  2. Step 2: Convert to fraction form
    1,665,816.60/2,497,266.90 = 1,131,605.40/x
  3. Step 3: Cross multiply
    1,665,816.60x = 2,497,266.90 × 1,131,605.40
  4. Step 4: Simplify right side
    1,665,816.60x = 2,825,920,709,281.26
  5. Step 5: Solve for x
    x = 2,825,920,709,281.26/1,665,816.60
  6. Step 6: Final answer
    x = 1,696,417.67

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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.