Home / 1,878,318-2,817,919.29-1,495,514.70

Finding the Fourth Proportional to 1,878,318, 2,817,919.29 and 1,495,514.70

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Solution

The fourth proportional to 1,878,318, 2,817,919.29 and 1,495,514.70 is: 2,243,624.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,318 : 2,817,919.29 = 1,495,514.70 : x
  2. Step 2: Convert to fraction form
    1,878,318/2,817,919.29 = 1,495,514.70/x
  3. Step 3: Cross multiply
    1,878,318x = 2,817,919.29 × 1,495,514.70
  4. Step 4: Simplify right side
    1,878,318x = 4,214,239,721,608.56
  5. Step 5: Solve for x
    x = 4,214,239,721,608.56/1,878,318
  6. Step 6: Final answer
    x = 2,243,624.20

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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.