Home / 1,536,333.67-2,121,139.14-1,374,911.20

Finding the Fourth Proportional to 1,536,333.67, 2,121,139.14 and 1,374,911.20

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Solution

The fourth proportional to 1,536,333.67, 2,121,139.14 and 1,374,911.20 is: 1,898,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,333.67 : 2,121,139.14 = 1,374,911.20 : x
  2. Step 2: Convert to fraction form
    1,536,333.67/2,121,139.14 = 1,374,911.20/x
  3. Step 3: Cross multiply
    1,536,333.67x = 2,121,139.14 × 1,374,911.20
  4. Step 4: Simplify right side
    1,536,333.67x = 2,916,377,960,344.37
  5. Step 5: Solve for x
    x = 2,916,377,960,344.37/1,536,333.67
  6. Step 6: Final answer
    x = 1,898,271.20

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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.