Home / 1,966,209.40-2,712,714.06-1,603,007.56

Finding the Fourth Proportional to 1,966,209.40, 2,712,714.06 and 1,603,007.56

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Solution

The fourth proportional to 1,966,209.40, 2,712,714.06 and 1,603,007.56 is: 2,211,616.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966,209.40 : 2,712,714.06 = 1,603,007.56 : x
  2. Step 2: Convert to fraction form
    1,966,209.40/2,712,714.06 = 1,603,007.56/x
  3. Step 3: Cross multiply
    1,966,209.40x = 2,712,714.06 × 1,603,007.56
  4. Step 4: Simplify right side
    1,966,209.40x = 4,348,501,146,298.29
  5. Step 5: Solve for x
    x = 4,348,501,146,298.29/1,966,209.40
  6. Step 6: Final answer
    x = 2,211,616.50

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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.