Home / 3,778,047.31-5,213,707.23-2,146,457.53

Finding the Fourth Proportional to 3,778,047.31, 5,213,707.23 and 2,146,457.53

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Solution

The fourth proportional to 3,778,047.31, 5,213,707.23 and 2,146,457.53 is: 2,962,112.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778,047.31 : 5,213,707.23 = 2,146,457.53 : x
  2. Step 2: Convert to fraction form
    3,778,047.31/5,213,707.23 = 2,146,457.53/x
  3. Step 3: Cross multiply
    3,778,047.31x = 5,213,707.23 × 2,146,457.53
  4. Step 4: Simplify right side
    3,778,047.31x = 11,191,001,143,048.94
  5. Step 5: Solve for x
    x = 11,191,001,143,048.94/3,778,047.31
  6. Step 6: Final answer
    x = 2,962,112.49

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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.