Home / 1,870,674.30-2,808,085.05-1,161,503.10

Finding the Fourth Proportional to 1,870,674.30, 2,808,085.05 and 1,161,503.10

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Solution

The fourth proportional to 1,870,674.30, 2,808,085.05 and 1,161,503.10 is: 1,743,542.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,674.30 : 2,808,085.05 = 1,161,503.10 : x
  2. Step 2: Convert to fraction form
    1,870,674.30/2,808,085.05 = 1,161,503.10/x
  3. Step 3: Cross multiply
    1,870,674.30x = 2,808,085.05 × 1,161,503.10
  4. Step 4: Simplify right side
    1,870,674.30x = 3,261,599,490,638.66
  5. Step 5: Solve for x
    x = 3,261,599,490,638.66/1,870,674.30
  6. Step 6: Final answer
    x = 1,743,542.15

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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.