Home / 1,870,831.80-2,806,247.70-1,853,117.10

Finding the Fourth Proportional to 1,870,831.80, 2,806,247.70 and 1,853,117.10

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Solution

The fourth proportional to 1,870,831.80, 2,806,247.70 and 1,853,117.10 is: 2,779,675.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,831.80 : 2,806,247.70 = 1,853,117.10 : x
  2. Step 2: Convert to fraction form
    1,870,831.80/2,806,247.70 = 1,853,117.10/x
  3. Step 3: Cross multiply
    1,870,831.80x = 2,806,247.70 × 1,853,117.10
  4. Step 4: Simplify right side
    1,870,831.80x = 5,200,305,599,705.67
  5. Step 5: Solve for x
    x = 5,200,305,599,705.67/1,870,831.80
  6. Step 6: Final answer
    x = 2,779,675.65

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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.