Home / 1,490,809.80-2,236,214.70-1,413,827.40

Finding the Fourth Proportional to 1,490,809.80, 2,236,214.70 and 1,413,827.40

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Solution

The fourth proportional to 1,490,809.80, 2,236,214.70 and 1,413,827.40 is: 2,120,741.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,809.80 : 2,236,214.70 = 1,413,827.40 : x
  2. Step 2: Convert to fraction form
    1,490,809.80/2,236,214.70 = 1,413,827.40/x
  3. Step 3: Cross multiply
    1,490,809.80x = 2,236,214.70 × 1,413,827.40
  4. Step 4: Simplify right side
    1,490,809.80x = 3,161,621,615,142.78
  5. Step 5: Solve for x
    x = 3,161,621,615,142.78/1,490,809.80
  6. Step 6: Final answer
    x = 2,120,741.10

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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.