Home / 6,415,440.04-9,622,356.81-2,097,128.35

Finding the Fourth Proportional to 6,415,440.04, 9,622,356.81 and 2,097,128.35

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Solution

The fourth proportional to 6,415,440.04, 9,622,356.81 and 2,097,128.35 is: 3,145,429.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,415,440.04 : 9,622,356.81 = 2,097,128.35 : x
  2. Step 2: Convert to fraction form
    6,415,440.04/9,622,356.81 = 2,097,128.35/x
  3. Step 3: Cross multiply
    6,415,440.04x = 9,622,356.81 × 2,097,128.35
  4. Step 4: Simplify right side
    6,415,440.04x = 20,179,317,260,066.57
  5. Step 5: Solve for x
    x = 20,179,317,260,066.57/6,415,440.04
  6. Step 6: Final answer
    x = 3,145,429.95

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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.