Home / 6,424,643.78-9,637,881.46-2,107,031.81

Finding the Fourth Proportional to 6,424,643.78, 9,637,881.46 and 2,107,031.81

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Solution

The fourth proportional to 6,424,643.78, 9,637,881.46 and 2,107,031.81 is: 3,160,848.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,424,643.78 : 9,637,881.46 = 2,107,031.81 : x
  2. Step 2: Convert to fraction form
    6,424,643.78/9,637,881.46 = 2,107,031.81/x
  3. Step 3: Cross multiply
    6,424,643.78x = 9,637,881.46 × 2,107,031.81
  4. Step 4: Simplify right side
    6,424,643.78x = 20,307,322,763,772.26
  5. Step 5: Solve for x
    x = 20,307,322,763,772.26/6,424,643.78
  6. Step 6: Final answer
    x = 3,160,848.05

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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.