Home / 2,506,639.96-3,459,183.46-1,389,047.40

Finding the Fourth Proportional to 2,506,639.96, 3,459,183.46 and 1,389,047.40

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Solution

The fourth proportional to 2,506,639.96, 3,459,183.46 and 1,389,047.40 is: 1,916,896.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,506,639.96 : 3,459,183.46 = 1,389,047.40 : x
  2. Step 2: Convert to fraction form
    2,506,639.96/3,459,183.46 = 1,389,047.40/x
  3. Step 3: Cross multiply
    2,506,639.96x = 3,459,183.46 × 1,389,047.40
  4. Step 4: Simplify right side
    2,506,639.96x = 4,804,969,791,236.00
  5. Step 5: Solve for x
    x = 4,804,969,791,236.00/2,506,639.96
  6. Step 6: Final answer
    x = 1,916,896.67

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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.