Home / 2,157,919.50-2,977,928.91-1,204,063.50

Finding the Fourth Proportional to 2,157,919.50, 2,977,928.91 and 1,204,063.50

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Solution

The fourth proportional to 2,157,919.50, 2,977,928.91 and 1,204,063.50 is: 1,661,607.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,919.50 : 2,977,928.91 = 1,204,063.50 : x
  2. Step 2: Convert to fraction form
    2,157,919.50/2,977,928.91 = 1,204,063.50/x
  3. Step 3: Cross multiply
    2,157,919.50x = 2,977,928.91 × 1,204,063.50
  4. Step 4: Simplify right side
    2,157,919.50x = 3,585,615,506,125.79
  5. Step 5: Solve for x
    x = 3,585,615,506,125.79/2,157,919.50
  6. Step 6: Final answer
    x = 1,661,607.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.