Home / 3,120,303.40-4,680,908.70-1,323,183.40

Finding the Fourth Proportional to 3,120,303.40, 4,680,908.70 and 1,323,183.40

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Solution

The fourth proportional to 3,120,303.40, 4,680,908.70 and 1,323,183.40 is: 1,984,967.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,303.40 : 4,680,908.70 = 1,323,183.40 : x
  2. Step 2: Convert to fraction form
    3,120,303.40/4,680,908.70 = 1,323,183.40/x
  3. Step 3: Cross multiply
    3,120,303.40x = 4,680,908.70 × 1,323,183.40
  4. Step 4: Simplify right side
    3,120,303.40x = 6,193,700,688,755.58
  5. Step 5: Solve for x
    x = 6,193,700,688,755.58/3,120,303.40
  6. Step 6: Final answer
    x = 1,984,967.45

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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.