Home / 5,209,134.77-7,813,997.42-1,615,412.63

Finding the Fourth Proportional to 5,209,134.77, 7,813,997.42 and 1,615,412.63

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Solution

The fourth proportional to 5,209,134.77, 7,813,997.42 and 1,615,412.63 is: 2,423,210.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209,134.77 : 7,813,997.42 = 1,615,412.63 : x
  2. Step 2: Convert to fraction form
    5,209,134.77/7,813,997.42 = 1,615,412.63/x
  3. Step 3: Cross multiply
    5,209,134.77x = 7,813,997.42 × 1,615,412.63
  4. Step 4: Simplify right side
    5,209,134.77x = 12,622,830,134,513.35
  5. Step 5: Solve for x
    x = 12,622,830,134,513.35/5,209,134.77
  6. Step 6: Final answer
    x = 2,423,210.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.