Home / 6,172,307.40-9,258,903.96-2,128,735.76

Finding the Fourth Proportional to 6,172,307.40, 9,258,903.96 and 2,128,735.76

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Solution

The fourth proportional to 6,172,307.40, 9,258,903.96 and 2,128,735.76 is: 3,193,256.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172,307.40 : 9,258,903.96 = 2,128,735.76 : x
  2. Step 2: Convert to fraction form
    6,172,307.40/9,258,903.96 = 2,128,735.76/x
  3. Step 3: Cross multiply
    6,172,307.40x = 9,258,903.96 × 2,128,735.76
  4. Step 4: Simplify right side
    6,172,307.40x = 19,709,759,954,466.74
  5. Step 5: Solve for x
    x = 19,709,759,954,466.74/6,172,307.40
  6. Step 6: Final answer
    x = 3,193,256.38

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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.