Home / 5,100,330.50-7,038,456.09-2,808,485.72

Finding the Fourth Proportional to 5,100,330.50, 7,038,456.09 and 2,808,485.72

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Solution

The fourth proportional to 5,100,330.50, 7,038,456.09 and 2,808,485.72 is: 3,875,710.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100,330.50 : 7,038,456.09 = 2,808,485.72 : x
  2. Step 2: Convert to fraction form
    5,100,330.50/7,038,456.09 = 2,808,485.72/x
  3. Step 3: Cross multiply
    5,100,330.50x = 7,038,456.09 × 2,808,485.72
  4. Step 4: Simplify right side
    5,100,330.50x = 19,767,403,419,612.04
  5. Step 5: Solve for x
    x = 19,767,403,419,612.04/5,100,330.50
  6. Step 6: Final answer
    x = 3,875,710.29

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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.