Home / 2,158,547.32-3,237,257.22-641,821.84

Finding the Fourth Proportional to 2,158,547.32, 3,237,257.22 and 641,821.84

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Solution

The fourth proportional to 2,158,547.32, 3,237,257.22 and 641,821.84 is: 962,565.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,547.32 : 3,237,257.22 = 641,821.84 : x
  2. Step 2: Convert to fraction form
    2,158,547.32/3,237,257.22 = 641,821.84/x
  3. Step 3: Cross multiply
    2,158,547.32x = 3,237,257.22 × 641,821.84
  4. Step 4: Simplify right side
    2,158,547.32x = 2,077,742,385,493.68
  5. Step 5: Solve for x
    x = 2,077,742,385,493.68/2,158,547.32
  6. Step 6: Final answer
    x = 962,565.13

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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.