Home / 2,106,857.18-2,907,441.51-1,139,966.30

Finding the Fourth Proportional to 2,106,857.18, 2,907,441.51 and 1,139,966.30

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Solution

The fourth proportional to 2,106,857.18, 2,907,441.51 and 1,139,966.30 is: 1,573,141.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,857.18 : 2,907,441.51 = 1,139,966.30 : x
  2. Step 2: Convert to fraction form
    2,106,857.18/2,907,441.51 = 1,139,966.30/x
  3. Step 3: Cross multiply
    2,106,857.18x = 2,907,441.51 × 1,139,966.30
  4. Step 4: Simplify right side
    2,106,857.18x = 3,314,385,340,621.11
  5. Step 5: Solve for x
    x = 3,314,385,340,621.11/2,106,857.18
  6. Step 6: Final answer
    x = 1,573,141.92

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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.