Home / 1,817,142.23-2,507,621.85-1,001,421.32

Finding the Fourth Proportional to 1,817,142.23, 2,507,621.85 and 1,001,421.32

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Solution

The fourth proportional to 1,817,142.23, 2,507,621.85 and 1,001,421.32 is: 1,381,942.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,142.23 : 2,507,621.85 = 1,001,421.32 : x
  2. Step 2: Convert to fraction form
    1,817,142.23/2,507,621.85 = 1,001,421.32/x
  3. Step 3: Cross multiply
    1,817,142.23x = 2,507,621.85 × 1,001,421.32
  4. Step 4: Simplify right side
    1,817,142.23x = 2,511,185,983,087.84
  5. Step 5: Solve for x
    x = 2,511,185,983,087.84/1,817,142.23
  6. Step 6: Final answer
    x = 1,381,942.45

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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.