Home / 3,487,111.34-4,812,271.26-1,917,309.62

Finding the Fourth Proportional to 3,487,111.34, 4,812,271.26 and 1,917,309.62

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Solution

The fourth proportional to 3,487,111.34, 4,812,271.26 and 1,917,309.62 is: 2,645,918.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487,111.34 : 4,812,271.26 = 1,917,309.62 : x
  2. Step 2: Convert to fraction form
    3,487,111.34/4,812,271.26 = 1,917,309.62/x
  3. Step 3: Cross multiply
    3,487,111.34x = 4,812,271.26 × 1,917,309.62
  4. Step 4: Simplify right side
    3,487,111.34x = 9,226,613,980,847.52
  5. Step 5: Solve for x
    x = 9,226,613,980,847.52/3,487,111.34
  6. Step 6: Final answer
    x = 2,645,918.95

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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.