Home / 1,460,933.40-2,189,909.70-987,666.60

Finding the Fourth Proportional to 1,460,933.40, 2,189,909.70 and 987,666.60

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Solution

The fourth proportional to 1,460,933.40, 2,189,909.70 and 987,666.60 is: 1,480,492.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460,933.40 : 2,189,909.70 = 987,666.60 : x
  2. Step 2: Convert to fraction form
    1,460,933.40/2,189,909.70 = 987,666.60/x
  3. Step 3: Cross multiply
    1,460,933.40x = 2,189,909.70 × 987,666.60
  4. Step 4: Simplify right side
    1,460,933.40x = 2,162,900,667,706.02
  5. Step 5: Solve for x
    x = 2,162,900,667,706.02/1,460,933.40
  6. Step 6: Final answer
    x = 1,480,492.31

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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.