Home / 1,956,739.60-2,935,109.40-1,284,893.20

Finding the Fourth Proportional to 1,956,739.60, 2,935,109.40 and 1,284,893.20

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Solution

The fourth proportional to 1,956,739.60, 2,935,109.40 and 1,284,893.20 is: 1,927,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956,739.60 : 2,935,109.40 = 1,284,893.20 : x
  2. Step 2: Convert to fraction form
    1,956,739.60/2,935,109.40 = 1,284,893.20/x
  3. Step 3: Cross multiply
    1,956,739.60x = 2,935,109.40 × 1,284,893.20
  4. Step 4: Simplify right side
    1,956,739.60x = 3,771,302,109,316.08
  5. Step 5: Solve for x
    x = 3,771,302,109,316.08/1,956,739.60
  6. Step 6: Final answer
    x = 1,927,339.80

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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.