Home / 2,249,138.88-3,103,889.09-1,230,543.63

Finding the Fourth Proportional to 2,249,138.88, 3,103,889.09 and 1,230,543.63

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Solution

The fourth proportional to 2,249,138.88, 3,103,889.09 and 1,230,543.63 is: 1,698,192.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249,138.88 : 3,103,889.09 = 1,230,543.63 : x
  2. Step 2: Convert to fraction form
    2,249,138.88/3,103,889.09 = 1,230,543.63/x
  3. Step 3: Cross multiply
    2,249,138.88x = 3,103,889.09 × 1,230,543.63
  4. Step 4: Simplify right side
    2,249,138.88x = 3,819,470,941,773.28
  5. Step 5: Solve for x
    x = 3,819,470,941,773.28/2,249,138.88
  6. Step 6: Final answer
    x = 1,698,192.57

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Double scale
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1.5x scale

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.