Home / 2,772,666.84-4,159,128.70-853,664

Finding the Fourth Proportional to 2,772,666.84, 4,159,128.70 and 853,664

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Solution

The fourth proportional to 2,772,666.84, 4,159,128.70 and 853,664 is: 1,280,535.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,666.84 : 4,159,128.70 = 853,664 : x
  2. Step 2: Convert to fraction form
    2,772,666.84/4,159,128.70 = 853,664/x
  3. Step 3: Cross multiply
    2,772,666.84x = 4,159,128.70 × 853,664
  4. Step 4: Simplify right side
    2,772,666.84x = 3,550,498,442,556.80
  5. Step 5: Solve for x
    x = 3,550,498,442,556.80/2,772,666.84
  6. Step 6: Final answer
    x = 1,280,535.55

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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.