Home / 2,021,134.60-3,031,701.90-1,383,405.40

Finding the Fourth Proportional to 2,021,134.60, 3,031,701.90 and 1,383,405.40

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Solution

The fourth proportional to 2,021,134.60, 3,031,701.90 and 1,383,405.40 is: 2,075,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,134.60 : 3,031,701.90 = 1,383,405.40 : x
  2. Step 2: Convert to fraction form
    2,021,134.60/3,031,701.90 = 1,383,405.40/x
  3. Step 3: Cross multiply
    2,021,134.60x = 3,031,701.90 × 1,383,405.40
  4. Step 4: Simplify right side
    2,021,134.60x = 4,194,072,779,650.26
  5. Step 5: Solve for x
    x = 4,194,072,779,650.26/2,021,134.60
  6. Step 6: Final answer
    x = 2,075,108.10

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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.