Home / 2,185,635.12-3,016,215-1,205,686.32

Finding the Fourth Proportional to 2,185,635.12, 3,016,215 and 1,205,686.32

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Solution

The fourth proportional to 2,185,635.12, 3,016,215 and 1,205,686.32 is: 1,663,868.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,635.12 : 3,016,215 = 1,205,686.32 : x
  2. Step 2: Convert to fraction form
    2,185,635.12/3,016,215 = 1,205,686.32/x
  3. Step 3: Cross multiply
    2,185,635.12x = 3,016,215 × 1,205,686.32
  4. Step 4: Simplify right side
    2,185,635.12x = 3,636,609,163,678.80
  5. Step 5: Solve for x
    x = 3,636,609,163,678.80/2,185,635.12
  6. Step 6: Final answer
    x = 1,663,868.38

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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.