Home / 3,520,420.16-5,281,767.49-1,628,402.72

Finding the Fourth Proportional to 3,520,420.16, 5,281,767.49 and 1,628,402.72

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Solution

The fourth proportional to 3,520,420.16, 5,281,767.49 and 1,628,402.72 is: 2,443,130.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520,420.16 : 5,281,767.49 = 1,628,402.72 : x
  2. Step 2: Convert to fraction form
    3,520,420.16/5,281,767.49 = 1,628,402.72/x
  3. Step 3: Cross multiply
    3,520,420.16x = 5,281,767.49 × 1,628,402.72
  4. Step 4: Simplify right side
    3,520,420.16x = 8,600,844,547,123.57
  5. Step 5: Solve for x
    x = 8,600,844,547,123.57/3,520,420.16
  6. Step 6: Final answer
    x = 2,443,130.13

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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.