Home / 3,128,623.50-4,317,500.43-1,697,839.50

Finding the Fourth Proportional to 3,128,623.50, 4,317,500.43 and 1,697,839.50

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Solution

The fourth proportional to 3,128,623.50, 4,317,500.43 and 1,697,839.50 is: 2,343,018.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,623.50 : 4,317,500.43 = 1,697,839.50 : x
  2. Step 2: Convert to fraction form
    3,128,623.50/4,317,500.43 = 1,697,839.50/x
  3. Step 3: Cross multiply
    3,128,623.50x = 4,317,500.43 × 1,697,839.50
  4. Step 4: Simplify right side
    3,128,623.50x = 7,330,422,771,320.99
  5. Step 5: Solve for x
    x = 7,330,422,771,320.99/3,128,623.50
  6. Step 6: Final answer
    x = 2,343,018.51

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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.