Home / 3,126,036.79-4,688,399.08-881,649.91

Finding the Fourth Proportional to 3,126,036.79, 4,688,399.08 and 881,649.91

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Solution

The fourth proportional to 3,126,036.79, 4,688,399.08 and 881,649.91 is: 1,322,289.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126,036.79 : 4,688,399.08 = 881,649.91 : x
  2. Step 2: Convert to fraction form
    3,126,036.79/4,688,399.08 = 881,649.91/x
  3. Step 3: Cross multiply
    3,126,036.79x = 4,688,399.08 × 881,649.91
  4. Step 4: Simplify right side
    3,126,036.79x = 4,133,526,599,075.84
  5. Step 5: Solve for x
    x = 4,133,526,599,075.84/3,126,036.79
  6. Step 6: Final answer
    x = 1,322,289.81

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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.