Home / 2,013,420.03-2,778,520.10-1,108,002.03

Finding the Fourth Proportional to 2,013,420.03, 2,778,520.10 and 1,108,002.03

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Solution

The fourth proportional to 2,013,420.03, 2,778,520.10 and 1,108,002.03 is: 1,529,043.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013,420.03 : 2,778,520.10 = 1,108,002.03 : x
  2. Step 2: Convert to fraction form
    2,013,420.03/2,778,520.10 = 1,108,002.03/x
  3. Step 3: Cross multiply
    2,013,420.03x = 2,778,520.10 × 1,108,002.03
  4. Step 4: Simplify right side
    2,013,420.03x = 3,078,605,911,195.80
  5. Step 5: Solve for x
    x = 3,078,605,911,195.80/2,013,420.03
  6. Step 6: Final answer
    x = 1,529,043.05

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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.