Home / 2,032,130.80-3,045,085.80-1,920,156.40

Finding the Fourth Proportional to 2,032,130.80, 3,045,085.80 and 1,920,156.40

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Solution

The fourth proportional to 2,032,130.80, 3,045,085.80 and 1,920,156.40 is: 2,877,295.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,032,130.80 : 3,045,085.80 = 1,920,156.40 : x
  2. Step 2: Convert to fraction form
    2,032,130.80/3,045,085.80 = 1,920,156.40/x
  3. Step 3: Cross multiply
    2,032,130.80x = 3,045,085.80 × 1,920,156.40
  4. Step 4: Simplify right side
    2,032,130.80x = 5,847,040,987,419.12
  5. Step 5: Solve for x
    x = 5,847,040,987,419.12/2,032,130.80
  6. Step 6: Final answer
    x = 2,877,295.59

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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.