Home / 1,980,280.41-2,732,318.64-1,120,840.71

Finding the Fourth Proportional to 1,980,280.41, 2,732,318.64 and 1,120,840.71

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Solution

The fourth proportional to 1,980,280.41, 2,732,318.64 and 1,120,840.71 is: 1,546,495.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,280.41 : 2,732,318.64 = 1,120,840.71 : x
  2. Step 2: Convert to fraction form
    1,980,280.41/2,732,318.64 = 1,120,840.71/x
  3. Step 3: Cross multiply
    1,980,280.41x = 2,732,318.64 × 1,120,840.71
  4. Step 4: Simplify right side
    1,980,280.41x = 3,062,493,964,403.83
  5. Step 5: Solve for x
    x = 3,062,493,964,403.83/1,980,280.41
  6. Step 6: Final answer
    x = 1,546,495.11

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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.