Home / 4,712,145.68-6,502,590.36-2,879,669.72

Finding the Fourth Proportional to 4,712,145.68, 6,502,590.36 and 2,879,669.72

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Solution

The fourth proportional to 4,712,145.68, 6,502,590.36 and 2,879,669.72 is: 3,973,839.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712,145.68 : 6,502,590.36 = 2,879,669.72 : x
  2. Step 2: Convert to fraction form
    4,712,145.68/6,502,590.36 = 2,879,669.72/x
  3. Step 3: Cross multiply
    4,712,145.68x = 6,502,590.36 × 2,879,669.72
  4. Step 4: Simplify right side
    4,712,145.68x = 18,725,312,561,255.90
  5. Step 5: Solve for x
    x = 18,725,312,561,255.90/4,712,145.68
  6. Step 6: Final answer
    x = 3,973,839.91

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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.