Home / 4,812,528-6,640,656-2,878,081.92

Finding the Fourth Proportional to 4,812,528, 6,640,656 and 2,878,081.92

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Solution

The fourth proportional to 4,812,528, 6,640,656 and 2,878,081.92 is: 3,971,374.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812,528 : 6,640,656 = 2,878,081.92 : x
  2. Step 2: Convert to fraction form
    4,812,528/6,640,656 = 2,878,081.92/x
  3. Step 3: Cross multiply
    4,812,528x = 6,640,656 × 2,878,081.92
  4. Step 4: Simplify right side
    4,812,528x = 19,112,351,970,539.52
  5. Step 5: Solve for x
    x = 19,112,351,970,539.52/4,812,528
  6. Step 6: Final answer
    x = 3,971,374.71

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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.