Home / 1,449,911.76-2,000,183.88-1,020,430.16

Finding the Fourth Proportional to 1,449,911.76, 2,000,183.88 and 1,020,430.16

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Solution

The fourth proportional to 1,449,911.76, 2,000,183.88 and 1,020,430.16 is: 1,407,704.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,911.76 : 2,000,183.88 = 1,020,430.16 : x
  2. Step 2: Convert to fraction form
    1,449,911.76/2,000,183.88 = 1,020,430.16/x
  3. Step 3: Cross multiply
    1,449,911.76x = 2,000,183.88 × 1,020,430.16
  4. Step 4: Simplify right side
    1,449,911.76x = 2,041,047,956,697.82
  5. Step 5: Solve for x
    x = 2,041,047,956,697.82/1,449,911.76
  6. Step 6: Final answer
    x = 1,407,704.95

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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.