Home / 2,810,475-3,878,980.92-1,603,251

Finding the Fourth Proportional to 2,810,475, 3,878,980.92 and 1,603,251

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Solution

The fourth proportional to 2,810,475, 3,878,980.92 and 1,603,251 is: 2,212,786.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,475 : 3,878,980.92 = 1,603,251 : x
  2. Step 2: Convert to fraction form
    2,810,475/3,878,980.92 = 1,603,251/x
  3. Step 3: Cross multiply
    2,810,475x = 3,878,980.92 × 1,603,251
  4. Step 4: Simplify right side
    2,810,475x = 6,218,980,038,970.92
  5. Step 5: Solve for x
    x = 6,218,980,038,970.92/2,810,475
  6. Step 6: Final answer
    x = 2,212,786.11

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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.