Home / 3,045,085.10-4,201,878.40-1,686,617.90

Finding the Fourth Proportional to 3,045,085.10, 4,201,878.40 and 1,686,617.90

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Solution

The fourth proportional to 3,045,085.10, 4,201,878.40 and 1,686,617.90 is: 2,327,344.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045,085.10 : 4,201,878.40 = 1,686,617.90 : x
  2. Step 2: Convert to fraction form
    3,045,085.10/4,201,878.40 = 1,686,617.90/x
  3. Step 3: Cross multiply
    3,045,085.10x = 4,201,878.40 × 1,686,617.90
  4. Step 4: Simplify right side
    3,045,085.10x = 7,086,963,297,837.42
  5. Step 5: Solve for x
    x = 7,086,963,297,837.42/3,045,085.10
  6. Step 6: Final answer
    x = 2,327,344.91

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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.