Home / 1,971,152.10-2,957,894.55-1,299,176.10

Finding the Fourth Proportional to 1,971,152.10, 2,957,894.55 and 1,299,176.10

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Solution

The fourth proportional to 1,971,152.10, 2,957,894.55 and 1,299,176.10 is: 1,949,532.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,152.10 : 2,957,894.55 = 1,299,176.10 : x
  2. Step 2: Convert to fraction form
    1,971,152.10/2,957,894.55 = 1,299,176.10/x
  3. Step 3: Cross multiply
    1,971,152.10x = 2,957,894.55 × 1,299,176.10
  4. Step 4: Simplify right side
    1,971,152.10x = 3,842,825,905,680.26
  5. Step 5: Solve for x
    x = 3,842,825,905,680.26/1,971,152.10
  6. Step 6: Final answer
    x = 1,949,532.92

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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.