Home / 1,927,896.60-2,889,080.10-1,418,482.20

Finding the Fourth Proportional to 1,927,896.60, 2,889,080.10 and 1,418,482.20

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Solution

The fourth proportional to 1,927,896.60, 2,889,080.10 and 1,418,482.20 is: 2,125,689.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,896.60 : 2,889,080.10 = 1,418,482.20 : x
  2. Step 2: Convert to fraction form
    1,927,896.60/2,889,080.10 = 1,418,482.20/x
  3. Step 3: Cross multiply
    1,927,896.60x = 2,889,080.10 × 1,418,482.20
  4. Step 4: Simplify right side
    1,927,896.60x = 4,098,108,696,224.22
  5. Step 5: Solve for x
    x = 4,098,108,696,224.22/1,927,896.60
  6. Step 6: Final answer
    x = 2,125,689.05

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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.