Home / 1,479,892.60-2,219,838.90-1,314,555.40

Finding the Fourth Proportional to 1,479,892.60, 2,219,838.90 and 1,314,555.40

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Solution

The fourth proportional to 1,479,892.60, 2,219,838.90 and 1,314,555.40 is: 1,971,833.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,892.60 : 2,219,838.90 = 1,314,555.40 : x
  2. Step 2: Convert to fraction form
    1,479,892.60/2,219,838.90 = 1,314,555.40/x
  3. Step 3: Cross multiply
    1,479,892.60x = 2,219,838.90 × 1,314,555.40
  4. Step 4: Simplify right side
    1,479,892.60x = 2,918,101,213,125.06
  5. Step 5: Solve for x
    x = 2,918,101,213,125.06/1,479,892.60
  6. Step 6: Final answer
    x = 1,971,833.10

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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.