Home / 3,316,828.97-4,975,271.31-920,860.45

Finding the Fourth Proportional to 3,316,828.97, 4,975,271.31 and 920,860.45

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Solution

The fourth proportional to 3,316,828.97, 4,975,271.31 and 920,860.45 is: 1,381,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316,828.97 : 4,975,271.31 = 920,860.45 : x
  2. Step 2: Convert to fraction form
    3,316,828.97/4,975,271.31 = 920,860.45/x
  3. Step 3: Cross multiply
    3,316,828.97x = 4,975,271.31 × 920,860.45
  4. Step 4: Simplify right side
    3,316,828.97x = 4,581,530,552,522.33
  5. Step 5: Solve for x
    x = 4,581,530,552,522.33/3,316,828.97
  6. Step 6: Final answer
    x = 1,381,298.40

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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.