Home / 2,013,648.40-3,020,472.60-1,117,853.20

Finding the Fourth Proportional to 2,013,648.40, 3,020,472.60 and 1,117,853.20

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Solution

The fourth proportional to 2,013,648.40, 3,020,472.60 and 1,117,853.20 is: 1,676,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013,648.40 : 3,020,472.60 = 1,117,853.20 : x
  2. Step 2: Convert to fraction form
    2,013,648.40/3,020,472.60 = 1,117,853.20/x
  3. Step 3: Cross multiply
    2,013,648.40x = 3,020,472.60 × 1,117,853.20
  4. Step 4: Simplify right side
    2,013,648.40x = 3,376,444,961,422.32
  5. Step 5: Solve for x
    x = 3,376,444,961,422.32/2,013,648.40
  6. Step 6: Final answer
    x = 1,676,779.80

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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.