Home / 6,903,989-10,356,130.92-1,786,528.88

Finding the Fourth Proportional to 6,903,989, 10,356,130.92 and 1,786,528.88

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Solution

The fourth proportional to 6,903,989, 10,356,130.92 and 1,786,528.88 is: 2,679,831.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,903,989 : 10,356,130.92 = 1,786,528.88 : x
  2. Step 2: Convert to fraction form
    6,903,989/10,356,130.92 = 1,786,528.88/x
  3. Step 3: Cross multiply
    6,903,989x = 10,356,130.92 × 1,786,528.88
  4. Step 4: Simplify right side
    6,903,989x = 18,501,526,973,640.97
  5. Step 5: Solve for x
    x = 18,501,526,973,640.97/6,903,989
  6. Step 6: Final answer
    x = 2,679,831.47

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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.