Home / 4,211,618.78-6,318,126.54-1,478,457.39

Finding the Fourth Proportional to 4,211,618.78, 6,318,126.54 and 1,478,457.39

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Solution

The fourth proportional to 4,211,618.78, 6,318,126.54 and 1,478,457.39 is: 2,217,931.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211,618.78 : 6,318,126.54 = 1,478,457.39 : x
  2. Step 2: Convert to fraction form
    4,211,618.78/6,318,126.54 = 1,478,457.39/x
  3. Step 3: Cross multiply
    4,211,618.78x = 6,318,126.54 × 1,478,457.39
  4. Step 4: Simplify right side
    4,211,618.78x = 9,341,080,874,018.13
  5. Step 5: Solve for x
    x = 9,341,080,874,018.13/4,211,618.78
  6. Step 6: Final answer
    x = 2,217,931.25

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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.