Home / 3,316,828.85-4,975,271.12-920,860.32

Finding the Fourth Proportional to 3,316,828.85, 4,975,271.12 and 920,860.32

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Solution

The fourth proportional to 3,316,828.85, 4,975,271.12 and 920,860.32 is: 1,381,298.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316,828.85 : 4,975,271.12 = 920,860.32 : x
  2. Step 2: Convert to fraction form
    3,316,828.85/4,975,271.12 = 920,860.32/x
  3. Step 3: Cross multiply
    3,316,828.85x = 4,975,271.12 × 920,860.32
  4. Step 4: Simplify right side
    3,316,828.85x = 4,581,529,757,952.11
  5. Step 5: Solve for x
    x = 4,581,529,757,952.11/3,316,828.85
  6. Step 6: Final answer
    x = 1,381,298.21

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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.