Home / 3,930,674.90-5,894,005.78-1,798,931.28

Finding the Fourth Proportional to 3,930,674.90, 5,894,005.78 and 1,798,931.28

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Solution

The fourth proportional to 3,930,674.90, 5,894,005.78 and 1,798,931.28 is: 2,697,478.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930,674.90 : 5,894,005.78 = 1,798,931.28 : x
  2. Step 2: Convert to fraction form
    3,930,674.90/5,894,005.78 = 1,798,931.28/x
  3. Step 3: Cross multiply
    3,930,674.90x = 5,894,005.78 × 1,798,931.28
  4. Step 4: Simplify right side
    3,930,674.90x = 10,602,911,348,280.89
  5. Step 5: Solve for x
    x = 10,602,911,348,280.89/3,930,674.90
  6. Step 6: Final answer
    x = 2,697,478.58

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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.