Home / 2,545,307.57-3,512,434.07-1,399,379.57

Finding the Fourth Proportional to 2,545,307.57, 3,512,434.07 and 1,399,379.57

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Solution

The fourth proportional to 2,545,307.57, 3,512,434.07 and 1,399,379.57 is: 1,931,094.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545,307.57 : 3,512,434.07 = 1,399,379.57 : x
  2. Step 2: Convert to fraction form
    2,545,307.57/3,512,434.07 = 1,399,379.57/x
  3. Step 3: Cross multiply
    2,545,307.57x = 3,512,434.07 × 1,399,379.57
  4. Step 4: Simplify right side
    2,545,307.57x = 4,915,228,478,529.95
  5. Step 5: Solve for x
    x = 4,915,228,478,529.95/2,545,307.57
  6. Step 6: Final answer
    x = 1,931,094.12

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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.