Home / 2,100,006.16-2,898,225.78-1,284,752.48

Finding the Fourth Proportional to 2,100,006.16, 2,898,225.78 and 1,284,752.48

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Solution

The fourth proportional to 2,100,006.16, 2,898,225.78 and 1,284,752.48 is: 1,773,091.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,006.16 : 2,898,225.78 = 1,284,752.48 : x
  2. Step 2: Convert to fraction form
    2,100,006.16/2,898,225.78 = 1,284,752.48/x
  3. Step 3: Cross multiply
    2,100,006.16x = 2,898,225.78 × 1,284,752.48
  4. Step 4: Simplify right side
    2,100,006.16x = 3,723,502,758,454.93
  5. Step 5: Solve for x
    x = 3,723,502,758,454.93/2,100,006.16
  6. Step 6: Final answer
    x = 1,773,091.35

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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.