Home / 2,421,857.50-3,342,267.03-1,348,769.50

Finding the Fourth Proportional to 2,421,857.50, 3,342,267.03 and 1,348,769.50

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Solution

The fourth proportional to 2,421,857.50, 3,342,267.03 and 1,348,769.50 is: 1,861,359.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421,857.50 : 3,342,267.03 = 1,348,769.50 : x
  2. Step 2: Convert to fraction form
    2,421,857.50/3,342,267.03 = 1,348,769.50/x
  3. Step 3: Cross multiply
    2,421,857.50x = 3,342,267.03 × 1,348,769.50
  4. Step 4: Simplify right side
    2,421,857.50x = 4,507,947,830,919.59
  5. Step 5: Solve for x
    x = 4,507,947,830,919.59/2,421,857.50
  6. Step 6: Final answer
    x = 1,861,359.65

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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.