Home / 2,145,484.64-2,961,025.80-1,286,016.32

Finding the Fourth Proportional to 2,145,484.64, 2,961,025.80 and 1,286,016.32

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Solution

The fourth proportional to 2,145,484.64, 2,961,025.80 and 1,286,016.32 is: 1,774,856.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,484.64 : 2,961,025.80 = 1,286,016.32 : x
  2. Step 2: Convert to fraction form
    2,145,484.64/2,961,025.80 = 1,286,016.32/x
  3. Step 3: Cross multiply
    2,145,484.64x = 2,961,025.80 × 1,286,016.32
  4. Step 4: Simplify right side
    2,145,484.64x = 3,807,927,502,741.06
  5. Step 5: Solve for x
    x = 3,807,927,502,741.06/2,145,484.64
  6. Step 6: Final answer
    x = 1,774,856.57

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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.