Home / 1,870,707.81-2,581,394.16-1,085,651.67

Finding the Fourth Proportional to 1,870,707.81, 2,581,394.16 and 1,085,651.67

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Solution

The fourth proportional to 1,870,707.81, 2,581,394.16 and 1,085,651.67 is: 1,498,093.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,707.81 : 2,581,394.16 = 1,085,651.67 : x
  2. Step 2: Convert to fraction form
    1,870,707.81/2,581,394.16 = 1,085,651.67/x
  3. Step 3: Cross multiply
    1,870,707.81x = 2,581,394.16 × 1,085,651.67
  4. Step 4: Simplify right side
    1,870,707.81x = 2,802,494,880,732.25
  5. Step 5: Solve for x
    x = 2,802,494,880,732.25/1,870,707.81
  6. Step 6: Final answer
    x = 1,498,093.32

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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.