Home / 3,118,988.10-4,678,482.15-1,439,372.10

Finding the Fourth Proportional to 3,118,988.10, 4,678,482.15 and 1,439,372.10

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Solution

The fourth proportional to 3,118,988.10, 4,678,482.15 and 1,439,372.10 is: 2,159,058.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,988.10 : 4,678,482.15 = 1,439,372.10 : x
  2. Step 2: Convert to fraction form
    3,118,988.10/4,678,482.15 = 1,439,372.10/x
  3. Step 3: Cross multiply
    3,118,988.10x = 4,678,482.15 × 1,439,372.10
  4. Step 4: Simplify right side
    3,118,988.10x = 6,734,076,677,058.02
  5. Step 5: Solve for x
    x = 6,734,076,677,058.02/3,118,988.10
  6. Step 6: Final answer
    x = 2,159,058.15

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Similar ratio
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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.