Home / 3,118,304.16-4,677,621.35-988,554.42

Finding the Fourth Proportional to 3,118,304.16, 4,677,621.35 and 988,554.42

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Solution

The fourth proportional to 3,118,304.16, 4,677,621.35 and 988,554.42 is: 1,482,883.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,304.16 : 4,677,621.35 = 988,554.42 : x
  2. Step 2: Convert to fraction form
    3,118,304.16/4,677,621.35 = 988,554.42/x
  3. Step 3: Cross multiply
    3,118,304.16x = 4,677,621.35 × 988,554.42
  4. Step 4: Simplify right side
    3,118,304.16x = 4,624,083,255,686.10
  5. Step 5: Solve for x
    x = 4,624,083,255,686.10/3,118,304.16
  6. Step 6: Final answer
    x = 1,482,883.97

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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.