Home / 2,085,458.02-3,128,778.88-1,075,316.74

Finding the Fourth Proportional to 2,085,458.02, 3,128,778.88 and 1,075,316.74

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Solution

The fourth proportional to 2,085,458.02, 3,128,778.88 and 1,075,316.74 is: 1,613,280.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,458.02 : 3,128,778.88 = 1,075,316.74 : x
  2. Step 2: Convert to fraction form
    2,085,458.02/3,128,778.88 = 1,075,316.74/x
  3. Step 3: Cross multiply
    2,085,458.02x = 3,128,778.88 × 1,075,316.74
  4. Step 4: Simplify right side
    2,085,458.02x = 3,364,428,294,912.21
  5. Step 5: Solve for x
    x = 3,364,428,294,912.21/2,085,458.02
  6. Step 6: Final answer
    x = 1,613,280.28

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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.