Home / 3,617,784.84-5,426,792.82-1,819,686.36

Finding the Fourth Proportional to 3,617,784.84, 5,426,792.82 and 1,819,686.36

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Solution

The fourth proportional to 3,617,784.84, 5,426,792.82 and 1,819,686.36 is: 2,729,587.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617,784.84 : 5,426,792.82 = 1,819,686.36 : x
  2. Step 2: Convert to fraction form
    3,617,784.84/5,426,792.82 = 1,819,686.36/x
  3. Step 3: Cross multiply
    3,617,784.84x = 5,426,792.82 × 1,819,686.36
  4. Step 4: Simplify right side
    3,617,784.84x = 9,875,060,873,099.94
  5. Step 5: Solve for x
    x = 9,875,060,873,099.94/3,617,784.84
  6. Step 6: Final answer
    x = 2,729,587.66

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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.