Home / 1,979,746.56-2,732,012.64-1,205,095.68

Finding the Fourth Proportional to 1,979,746.56, 2,732,012.64 and 1,205,095.68

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Solution

The fourth proportional to 1,979,746.56, 2,732,012.64 and 1,205,095.68 is: 1,663,009.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,746.56 : 2,732,012.64 = 1,205,095.68 : x
  2. Step 2: Convert to fraction form
    1,979,746.56/2,732,012.64 = 1,205,095.68/x
  3. Step 3: Cross multiply
    1,979,746.56x = 2,732,012.64 × 1,205,095.68
  4. Step 4: Simplify right side
    1,979,746.56x = 3,292,336,630,169.40
  5. Step 5: Solve for x
    x = 3,292,336,630,169.40/1,979,746.56
  6. Step 6: Final answer
    x = 1,663,009.14

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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.