Home / 1,979,828.10-2,730,751.20-1,817,009.19

Finding the Fourth Proportional to 1,979,828.10, 2,730,751.20 and 1,817,009.19

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Solution

The fourth proportional to 1,979,828.10, 2,730,751.20 and 1,817,009.19 is: 2,506,177.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,828.10 : 2,730,751.20 = 1,817,009.19 : x
  2. Step 2: Convert to fraction form
    1,979,828.10/2,730,751.20 = 1,817,009.19/x
  3. Step 3: Cross multiply
    1,979,828.10x = 2,730,751.20 × 1,817,009.19
  4. Step 4: Simplify right side
    1,979,828.10x = 4,961,800,026,003.53
  5. Step 5: Solve for x
    x = 4,961,800,026,003.53/1,979,828.10
  6. Step 6: Final answer
    x = 2,506,177.19

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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.