Home / 2,646,006.90-3,964,927.95-1,968,911.70

Finding the Fourth Proportional to 2,646,006.90, 3,964,927.95 and 1,968,911.70

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Solution

The fourth proportional to 2,646,006.90, 3,964,927.95 and 1,968,911.70 is: 2,950,329.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646,006.90 : 3,964,927.95 = 1,968,911.70 : x
  2. Step 2: Convert to fraction form
    2,646,006.90/3,964,927.95 = 1,968,911.70/x
  3. Step 3: Cross multiply
    2,646,006.90x = 3,964,927.95 × 1,968,911.70
  4. Step 4: Simplify right side
    2,646,006.90x = 7,806,593,030,412.02
  5. Step 5: Solve for x
    x = 7,806,593,030,412.02/2,646,006.90
  6. Step 6: Final answer
    x = 2,950,329.81

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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.