Home / 1,876,806.36-2,814,615-678,570.12

Finding the Fourth Proportional to 1,876,806.36, 2,814,615 and 678,570.12

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Solution

The fourth proportional to 1,876,806.36, 2,814,615 and 678,570.12 is: 1,017,640.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,806.36 : 2,814,615 = 678,570.12 : x
  2. Step 2: Convert to fraction form
    1,876,806.36/2,814,615 = 678,570.12/x
  3. Step 3: Cross multiply
    1,876,806.36x = 2,814,615 × 678,570.12
  4. Step 4: Simplify right side
    1,876,806.36x = 1,909,913,638,303.80
  5. Step 5: Solve for x
    x = 1,909,913,638,303.80/1,876,806.36
  6. Step 6: Final answer
    x = 1,017,640.22

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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.