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Finding the Fourth Proportional to 1,664,946.08, 2,297,641.80 and 901,015.52

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Solution

The fourth proportional to 1,664,946.08, 2,297,641.80 and 901,015.52 is: 1,243,410.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,946.08 : 2,297,641.80 = 901,015.52 : x
  2. Step 2: Convert to fraction form
    1,664,946.08/2,297,641.80 = 901,015.52/x
  3. Step 3: Cross multiply
    1,664,946.08x = 2,297,641.80 × 901,015.52
  4. Step 4: Simplify right side
    1,664,946.08x = 2,070,210,921,200.74
  5. Step 5: Solve for x
    x = 2,070,210,921,200.74/1,664,946.08
  6. Step 6: Final answer
    x = 1,243,410.19

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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.