Home / 3,316,391.40-4,974,030.63-920,479.44

Finding the Fourth Proportional to 3,316,391.40, 4,974,030.63 and 920,479.44

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Solution

The fourth proportional to 3,316,391.40, 4,974,030.63 and 920,479.44 is: 1,380,564.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316,391.40 : 4,974,030.63 = 920,479.44 : x
  2. Step 2: Convert to fraction form
    3,316,391.40/4,974,030.63 = 920,479.44/x
  3. Step 3: Cross multiply
    3,316,391.40x = 4,974,030.63 × 920,479.44
  4. Step 4: Simplify right side
    3,316,391.40x = 4,578,492,928,845.25
  5. Step 5: Solve for x
    x = 4,578,492,928,845.25/3,316,391.40
  6. Step 6: Final answer
    x = 1,380,564.71

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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.