Home / 3,090,690.16-4,266,042.02-1,866,801.20

Finding the Fourth Proportional to 3,090,690.16, 4,266,042.02 and 1,866,801.20

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Solution

The fourth proportional to 3,090,690.16, 4,266,042.02 and 1,866,801.20 is: 2,576,722.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090,690.16 : 4,266,042.02 = 1,866,801.20 : x
  2. Step 2: Convert to fraction form
    3,090,690.16/4,266,042.02 = 1,866,801.20/x
  3. Step 3: Cross multiply
    3,090,690.16x = 4,266,042.02 × 1,866,801.20
  4. Step 4: Simplify right side
    3,090,690.16x = 7,963,852,362,186.42
  5. Step 5: Solve for x
    x = 7,963,852,362,186.42/3,090,690.16
  6. Step 6: Final answer
    x = 2,576,722.98

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1.5x scale

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.