Home / 3,685,435.11-5,528,939.90-1,289,357.91

Finding the Fourth Proportional to 3,685,435.11, 5,528,939.90 and 1,289,357.91

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Solution

The fourth proportional to 3,685,435.11, 5,528,939.90 and 1,289,357.91 is: 1,934,312.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685,435.11 : 5,528,939.90 = 1,289,357.91 : x
  2. Step 2: Convert to fraction form
    3,685,435.11/5,528,939.90 = 1,289,357.91/x
  3. Step 3: Cross multiply
    3,685,435.11x = 5,528,939.90 × 1,289,357.91
  4. Step 4: Simplify right side
    3,685,435.11x = 7,128,782,387,532.82
  5. Step 5: Solve for x
    x = 7,128,782,387,532.82/3,685,435.11
  6. Step 6: Final answer
    x = 1,934,312.28

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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.