Home / 3,518,457.86-4,855,409.91-1,948,557.15

Finding the Fourth Proportional to 3,518,457.86, 4,855,409.91 and 1,948,557.15

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Solution

The fourth proportional to 3,518,457.86, 4,855,409.91 and 1,948,557.15 is: 2,688,974.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518,457.86 : 4,855,409.91 = 1,948,557.15 : x
  2. Step 2: Convert to fraction form
    3,518,457.86/4,855,409.91 = 1,948,557.15/x
  3. Step 3: Cross multiply
    3,518,457.86x = 4,855,409.91 × 1,948,557.15
  4. Step 4: Simplify right side
    3,518,457.86x = 9,461,043,696,311.36
  5. Step 5: Solve for x
    x = 9,461,043,696,311.36/3,518,457.86
  6. Step 6: Final answer
    x = 2,688,974.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.