Home / 2,136,749.56-3,205,290.32-620,457.50

Finding the Fourth Proportional to 2,136,749.56, 3,205,290.32 and 620,457.50

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Solution

The fourth proportional to 2,136,749.56, 3,205,290.32 and 620,457.50 is: 930,734.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,749.56 : 3,205,290.32 = 620,457.50 : x
  2. Step 2: Convert to fraction form
    2,136,749.56/3,205,290.32 = 620,457.50/x
  3. Step 3: Cross multiply
    2,136,749.56x = 3,205,290.32 × 620,457.50
  4. Step 4: Simplify right side
    2,136,749.56x = 1,988,746,418,721.40
  5. Step 5: Solve for x
    x = 1,988,746,418,721.40/2,136,749.56
  6. Step 6: Final answer
    x = 930,734.45

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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.