Home / 2,191,686.22-3,024,265.03-1,211,492.87

Finding the Fourth Proportional to 2,191,686.22, 3,024,265.03 and 1,211,492.87

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Solution

The fourth proportional to 2,191,686.22, 3,024,265.03 and 1,211,492.87 is: 1,671,715.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,686.22 : 3,024,265.03 = 1,211,492.87 : x
  2. Step 2: Convert to fraction form
    2,191,686.22/3,024,265.03 = 1,211,492.87/x
  3. Step 3: Cross multiply
    2,191,686.22x = 3,024,265.03 × 1,211,492.87
  4. Step 4: Simplify right side
    2,191,686.22x = 3,663,875,520,835.34
  5. Step 5: Solve for x
    x = 3,663,875,520,835.34/2,191,686.22
  6. Step 6: Final answer
    x = 1,671,715.36

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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.