Home / 2,492,421.20-3,738,437.40-975,809.60

Finding the Fourth Proportional to 2,492,421.20, 3,738,437.40 and 975,809.60

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Solution

The fourth proportional to 2,492,421.20, 3,738,437.40 and 975,809.60 is: 1,463,638.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492,421.20 : 3,738,437.40 = 975,809.60 : x
  2. Step 2: Convert to fraction form
    2,492,421.20/3,738,437.40 = 975,809.60/x
  3. Step 3: Cross multiply
    2,492,421.20x = 3,738,437.40 × 975,809.60
  4. Step 4: Simplify right side
    2,492,421.20x = 3,648,003,103,919.04
  5. Step 5: Solve for x
    x = 3,648,003,103,919.04/2,492,421.20
  6. Step 6: Final answer
    x = 1,463,638.29

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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.