Home / 5,105,475-7,045,555.40-2,813,635.72

Finding the Fourth Proportional to 5,105,475, 7,045,555.40 and 2,813,635.72

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Solution

The fourth proportional to 5,105,475, 7,045,555.40 and 2,813,635.72 is: 3,882,817.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105,475 : 7,045,555.40 = 2,813,635.72 : x
  2. Step 2: Convert to fraction form
    5,105,475/7,045,555.40 = 2,813,635.72/x
  3. Step 3: Cross multiply
    5,105,475x = 7,045,555.40 × 2,813,635.72
  4. Step 4: Simplify right side
    5,105,475x = 19,823,626,340,678.89
  5. Step 5: Solve for x
    x = 19,823,626,340,678.89/5,105,475
  6. Step 6: Final answer
    x = 3,882,817.24

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1.5x scale

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.