Home / 7,039,512-9,714,643.20-3,820,248

Finding the Fourth Proportional to 7,039,512, 9,714,643.20 and 3,820,248

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Solution

The fourth proportional to 7,039,512, 9,714,643.20 and 3,820,248 is: 5,272,005.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039,512 : 9,714,643.20 = 3,820,248 : x
  2. Step 2: Convert to fraction form
    7,039,512/9,714,643.20 = 3,820,248/x
  3. Step 3: Cross multiply
    7,039,512x = 9,714,643.20 × 3,820,248
  4. Step 4: Simplify right side
    7,039,512x = 37,112,346,255,513.59
  5. Step 5: Solve for x
    x = 37,112,346,255,513.59/7,039,512
  6. Step 6: Final answer
    x = 5,272,005.54

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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.