Home / 1,878,257.22-2,813,607.58-1,423,626.05

Finding the Fourth Proportional to 1,878,257.22, 2,813,607.58 and 1,423,626.05

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Solution

The fourth proportional to 1,878,257.22, 2,813,607.58 and 1,423,626.05 is: 2,132,575.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,257.22 : 2,813,607.58 = 1,423,626.05 : x
  2. Step 2: Convert to fraction form
    1,878,257.22/2,813,607.58 = 1,423,626.05/x
  3. Step 3: Cross multiply
    1,878,257.22x = 2,813,607.58 × 1,423,626.05
  4. Step 4: Simplify right side
    1,878,257.22x = 4,005,525,045,365.46
  5. Step 5: Solve for x
    x = 4,005,525,045,365.46/1,878,257.22
  6. Step 6: Final answer
    x = 2,132,575.35

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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.