Home / 2,885,280.94-3,981,673.23-1,578,509.31

Finding the Fourth Proportional to 2,885,280.94, 3,981,673.23 and 1,578,509.31

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Solution

The fourth proportional to 2,885,280.94, 3,981,673.23 and 1,578,509.31 is: 2,178,334.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885,280.94 : 3,981,673.23 = 1,578,509.31 : x
  2. Step 2: Convert to fraction form
    2,885,280.94/3,981,673.23 = 1,578,509.31/x
  3. Step 3: Cross multiply
    2,885,280.94x = 3,981,673.23 × 1,578,509.31
  4. Step 4: Simplify right side
    2,885,280.94x = 6,285,108,262,932.77
  5. Step 5: Solve for x
    x = 6,285,108,262,932.77/2,885,280.94
  6. Step 6: Final answer
    x = 2,178,334.93

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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.