Home / 1,678,957.54-2,315,890.65-1,373,477.38

Finding the Fourth Proportional to 1,678,957.54, 2,315,890.65 and 1,373,477.38

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Solution

The fourth proportional to 1,678,957.54, 2,315,890.65 and 1,373,477.38 is: 1,894,522.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,957.54 : 2,315,890.65 = 1,373,477.38 : x
  2. Step 2: Convert to fraction form
    1,678,957.54/2,315,890.65 = 1,373,477.38/x
  3. Step 3: Cross multiply
    1,678,957.54x = 2,315,890.65 × 1,373,477.38
  4. Step 4: Simplify right side
    1,678,957.54x = 3,180,823,422,328.50
  5. Step 5: Solve for x
    x = 3,180,823,422,328.50/1,678,957.54
  6. Step 6: Final answer
    x = 1,894,522.85

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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.