Home / 2,911,708.95-4,018,389.65-1,605,193.17

Finding the Fourth Proportional to 2,911,708.95, 4,018,389.65 and 1,605,193.17

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Solution

The fourth proportional to 2,911,708.95, 4,018,389.65 and 1,605,193.17 is: 2,215,294.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,708.95 : 4,018,389.65 = 1,605,193.17 : x
  2. Step 2: Convert to fraction form
    2,911,708.95/4,018,389.65 = 1,605,193.17/x
  3. Step 3: Cross multiply
    2,911,708.95x = 4,018,389.65 × 1,605,193.17
  4. Step 4: Simplify right side
    2,911,708.95x = 6,450,291,620,578.69
  5. Step 5: Solve for x
    x = 6,450,291,620,578.69/2,911,708.95
  6. Step 6: Final answer
    x = 2,215,294.09

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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.