Home / 1,812,693.92-2,501,639.88-1,199,790.68

Finding the Fourth Proportional to 1,812,693.92, 2,501,639.88 and 1,199,790.68

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Solution

The fourth proportional to 1,812,693.92, 2,501,639.88 and 1,199,790.68 is: 1,655,792.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,693.92 : 2,501,639.88 = 1,199,790.68 : x
  2. Step 2: Convert to fraction form
    1,812,693.92/2,501,639.88 = 1,199,790.68/x
  3. Step 3: Cross multiply
    1,812,693.92x = 2,501,639.88 × 1,199,790.68
  4. Step 4: Simplify right side
    1,812,693.92x = 3,001,444,212,740.32
  5. Step 5: Solve for x
    x = 3,001,444,212,740.32/1,812,693.92
  6. Step 6: Final answer
    x = 1,655,792.07

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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.