Home / 1,941,492.60-2,912,238.90-1,185,665.40

Finding the Fourth Proportional to 1,941,492.60, 2,912,238.90 and 1,185,665.40

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Solution

The fourth proportional to 1,941,492.60, 2,912,238.90 and 1,185,665.40 is: 1,778,498.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,492.60 : 2,912,238.90 = 1,185,665.40 : x
  2. Step 2: Convert to fraction form
    1,941,492.60/2,912,238.90 = 1,185,665.40/x
  3. Step 3: Cross multiply
    1,941,492.60x = 2,912,238.90 × 1,185,665.40
  4. Step 4: Simplify right side
    1,941,492.60x = 3,452,940,900,264.06
  5. Step 5: Solve for x
    x = 3,452,940,900,264.06/1,941,492.60
  6. Step 6: Final answer
    x = 1,778,498.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.