Home / 3,109,022.28-4,290,459.48-1,802,528.22

Finding the Fourth Proportional to 3,109,022.28, 4,290,459.48 and 1,802,528.22

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Solution

The fourth proportional to 3,109,022.28, 4,290,459.48 and 1,802,528.22 is: 2,487,494.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,022.28 : 4,290,459.48 = 1,802,528.22 : x
  2. Step 2: Convert to fraction form
    3,109,022.28/4,290,459.48 = 1,802,528.22/x
  3. Step 3: Cross multiply
    3,109,022.28x = 4,290,459.48 × 1,802,528.22
  4. Step 4: Simplify right side
    3,109,022.28x = 7,733,674,289,466.53
  5. Step 5: Solve for x
    x = 7,733,674,289,466.53/3,109,022.28
  6. Step 6: Final answer
    x = 2,487,494.01

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1.5x scale

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.