Home / 1,812,715.57-2,717,207.11-971,041.33

Finding the Fourth Proportional to 1,812,715.57, 2,717,207.11 and 971,041.33

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Solution

The fourth proportional to 1,812,715.57, 2,717,207.11 and 971,041.33 is: 1,455,562.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,715.57 : 2,717,207.11 = 971,041.33 : x
  2. Step 2: Convert to fraction form
    1,812,715.57/2,717,207.11 = 971,041.33/x
  3. Step 3: Cross multiply
    1,812,715.57x = 2,717,207.11 × 971,041.33
  4. Step 4: Simplify right side
    1,812,715.57x = 2,638,520,405,979.86
  5. Step 5: Solve for x
    x = 2,638,520,405,979.86/1,812,715.57
  6. Step 6: Final answer
    x = 1,455,562.28

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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.