Home / 2,430,276.40-3,638,416.20-1,485,492.40

Finding the Fourth Proportional to 2,430,276.40, 3,638,416.20 and 1,485,492.40

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Solution

The fourth proportional to 2,430,276.40, 3,638,416.20 and 1,485,492.40 is: 2,223,960.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430,276.40 : 3,638,416.20 = 1,485,492.40 : x
  2. Step 2: Convert to fraction form
    2,430,276.40/3,638,416.20 = 1,485,492.40/x
  3. Step 3: Cross multiply
    2,430,276.40x = 3,638,416.20 × 1,485,492.40
  4. Step 4: Simplify right side
    2,430,276.40x = 5,404,839,613,136.88
  5. Step 5: Solve for x
    x = 5,404,839,613,136.88/2,430,276.40
  6. Step 6: Final answer
    x = 2,223,960.87

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1.5x scale

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.