Home / 1,870,800.30-2,806,200.45-1,853,085.60

Finding the Fourth Proportional to 1,870,800.30, 2,806,200.45 and 1,853,085.60

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Solution

The fourth proportional to 1,870,800.30, 2,806,200.45 and 1,853,085.60 is: 2,779,628.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,800.30 : 2,806,200.45 = 1,853,085.60 : x
  2. Step 2: Convert to fraction form
    1,870,800.30/2,806,200.45 = 1,853,085.60/x
  3. Step 3: Cross multiply
    1,870,800.30x = 2,806,200.45 × 1,853,085.60
  4. Step 4: Simplify right side
    1,870,800.30x = 5,200,129,644,608.52
  5. Step 5: Solve for x
    x = 5,200,129,644,608.52/1,870,800.30
  6. Step 6: Final answer
    x = 2,779,628.40

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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.