Home / 3,316,835.12-4,975,280.55-920,866.59

Finding the Fourth Proportional to 3,316,835.12, 4,975,280.55 and 920,866.59

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Solution

The fourth proportional to 3,316,835.12, 4,975,280.55 and 920,866.59 is: 1,381,307.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316,835.12 : 4,975,280.55 = 920,866.59 : x
  2. Step 2: Convert to fraction form
    3,316,835.12/4,975,280.55 = 920,866.59/x
  3. Step 3: Cross multiply
    3,316,835.12x = 4,975,280.55 × 920,866.59
  4. Step 4: Simplify right side
    3,316,835.12x = 4,581,569,634,371.82
  5. Step 5: Solve for x
    x = 4,581,569,634,371.82/3,316,835.12
  6. Step 6: Final answer
    x = 1,381,307.62

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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.