Home / 5,259,945.40-7,889,918.10-3,020,457.40

Finding the Fourth Proportional to 5,259,945.40, 7,889,918.10 and 3,020,457.40

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Solution

The fourth proportional to 5,259,945.40, 7,889,918.10 and 3,020,457.40 is: 4,530,686.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259,945.40 : 7,889,918.10 = 3,020,457.40 : x
  2. Step 2: Convert to fraction form
    5,259,945.40/7,889,918.10 = 3,020,457.40/x
  3. Step 3: Cross multiply
    5,259,945.40x = 7,889,918.10 × 3,020,457.40
  4. Step 4: Simplify right side
    5,259,945.40x = 23,831,161,510,538.94
  5. Step 5: Solve for x
    x = 23,831,161,510,538.94/5,259,945.40
  6. Step 6: Final answer
    x = 4,530,686.10

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Similar ratio
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1.5x scale

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.