Home / 3,963,406.60-5,945,109.90-971,590.60

Finding the Fourth Proportional to 3,963,406.60, 5,945,109.90 and 971,590.60

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Solution

The fourth proportional to 3,963,406.60, 5,945,109.90 and 971,590.60 is: 1,457,385.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963,406.60 : 5,945,109.90 = 971,590.60 : x
  2. Step 2: Convert to fraction form
    3,963,406.60/5,945,109.90 = 971,590.60/x
  3. Step 3: Cross multiply
    3,963,406.60x = 5,945,109.90 × 971,590.60
  4. Step 4: Simplify right side
    3,963,406.60x = 5,776,212,894,806.94
  5. Step 5: Solve for x
    x = 5,776,212,894,806.94/3,963,406.60
  6. Step 6: Final answer
    x = 1,457,385.90

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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.