Home / 1,838,834.44-2,535,976.38-1,287,267.64

Finding the Fourth Proportional to 1,838,834.44, 2,535,976.38 and 1,287,267.64

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Solution

The fourth proportional to 1,838,834.44, 2,535,976.38 and 1,287,267.64 is: 1,775,298.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,834.44 : 2,535,976.38 = 1,287,267.64 : x
  2. Step 2: Convert to fraction form
    1,838,834.44/2,535,976.38 = 1,287,267.64/x
  3. Step 3: Cross multiply
    1,838,834.44x = 2,535,976.38 × 1,287,267.64
  4. Step 4: Simplify right side
    1,838,834.44x = 3,264,480,329,778.34
  5. Step 5: Solve for x
    x = 3,264,480,329,778.34/1,838,834.44
  6. Step 6: Final answer
    x = 1,775,298.67

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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.