Home / 1,868,553.10-2,802,829.65-1,685,501.20

Finding the Fourth Proportional to 1,868,553.10, 2,802,829.65 and 1,685,501.20

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Solution

The fourth proportional to 1,868,553.10, 2,802,829.65 and 1,685,501.20 is: 2,528,251.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,553.10 : 2,802,829.65 = 1,685,501.20 : x
  2. Step 2: Convert to fraction form
    1,868,553.10/2,802,829.65 = 1,685,501.20/x
  3. Step 3: Cross multiply
    1,868,553.10x = 2,802,829.65 × 1,685,501.20
  4. Step 4: Simplify right side
    1,868,553.10x = 4,724,172,738,470.58
  5. Step 5: Solve for x
    x = 4,724,172,738,470.58/1,868,553.10
  6. Step 6: Final answer
    x = 2,528,251.80

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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.