Home / 6,457,809.78-8,911,735.74-3,557,133.36

Finding the Fourth Proportional to 6,457,809.78, 8,911,735.74 and 3,557,133.36

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Solution

The fourth proportional to 6,457,809.78, 8,911,735.74 and 3,557,133.36 is: 4,908,821.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457,809.78 : 8,911,735.74 = 3,557,133.36 : x
  2. Step 2: Convert to fraction form
    6,457,809.78/8,911,735.74 = 3,557,133.36/x
  3. Step 3: Cross multiply
    6,457,809.78x = 8,911,735.74 × 3,557,133.36
  4. Step 4: Simplify right side
    6,457,809.78x = 31,700,232,496,258.29
  5. Step 5: Solve for x
    x = 31,700,232,496,258.29/6,457,809.78
  6. Step 6: Final answer
    x = 4,908,821.04

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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.