Home / 2,578,821.40-3,558,628.64-1,545,812.28

Finding the Fourth Proportional to 2,578,821.40, 3,558,628.64 and 1,545,812.28

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Solution

The fourth proportional to 2,578,821.40, 3,558,628.64 and 1,545,812.28 is: 2,133,134.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,821.40 : 3,558,628.64 = 1,545,812.28 : x
  2. Step 2: Convert to fraction form
    2,578,821.40/3,558,628.64 = 1,545,812.28/x
  3. Step 3: Cross multiply
    2,578,821.40x = 3,558,628.64 × 1,545,812.28
  4. Step 4: Simplify right side
    2,578,821.40x = 5,500,971,851,671.70
  5. Step 5: Solve for x
    x = 5,500,971,851,671.70/2,578,821.40
  6. Step 6: Final answer
    x = 2,133,134.09

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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.