Home / 2,620,965.12-3,931,444.32-824,005.44

Finding the Fourth Proportional to 2,620,965.12, 3,931,444.32 and 824,005.44

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Solution

The fourth proportional to 2,620,965.12, 3,931,444.32 and 824,005.44 is: 1,236,007.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620,965.12 : 3,931,444.32 = 824,005.44 : x
  2. Step 2: Convert to fraction form
    2,620,965.12/3,931,444.32 = 824,005.44/x
  3. Step 3: Cross multiply
    2,620,965.12x = 3,931,444.32 × 824,005.44
  4. Step 4: Simplify right side
    2,620,965.12x = 3,239,531,506,737.10
  5. Step 5: Solve for x
    x = 3,239,531,506,737.10/2,620,965.12
  6. Step 6: Final answer
    x = 1,236,007.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.