Home / 3,155,880-4,354,088.90-1,930,908.54

Finding the Fourth Proportional to 3,155,880, 4,354,088.90 and 1,930,908.54

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Solution

The fourth proportional to 3,155,880, 4,354,088.90 and 1,930,908.54 is: 2,664,026.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155,880 : 4,354,088.90 = 1,930,908.54 : x
  2. Step 2: Convert to fraction form
    3,155,880/4,354,088.90 = 1,930,908.54/x
  3. Step 3: Cross multiply
    3,155,880x = 4,354,088.90 × 1,930,908.54
  4. Step 4: Simplify right side
    3,155,880x = 8,407,347,440,929.21
  5. Step 5: Solve for x
    x = 8,407,347,440,929.21/3,155,880
  6. Step 6: Final answer
    x = 2,664,026.34

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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.