Home / 4,877,477.78-6,729,703.36-2,813,124.74

Finding the Fourth Proportional to 4,877,477.78, 6,729,703.36 and 2,813,124.74

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Solution

The fourth proportional to 4,877,477.78, 6,729,703.36 and 2,813,124.74 is: 3,881,410.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877,477.78 : 6,729,703.36 = 2,813,124.74 : x
  2. Step 2: Convert to fraction form
    4,877,477.78/6,729,703.36 = 2,813,124.74/x
  3. Step 3: Cross multiply
    4,877,477.78x = 6,729,703.36 × 2,813,124.74
  4. Step 4: Simplify right side
    4,877,477.78x = 18,931,494,974,195.80
  5. Step 5: Solve for x
    x = 18,931,494,974,195.80/4,877,477.78
  6. Step 6: Final answer
    x = 3,881,410.81

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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.