Home / 3,478,128.40-5,208,898.20-3,478,128.40

Finding the Fourth Proportional to 3,478,128.40, 5,208,898.20 and 3,478,128.40

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Solution

The fourth proportional to 3,478,128.40, 5,208,898.20 and 3,478,128.40 is: 5,208,898.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,128.40 : 5,208,898.20 = 3,478,128.40 : x
  2. Step 2: Convert to fraction form
    3,478,128.40/5,208,898.20 = 3,478,128.40/x
  3. Step 3: Cross multiply
    3,478,128.40x = 5,208,898.20 × 3,478,128.40
  4. Step 4: Simplify right side
    3,478,128.40x = 18,117,216,762,128.88
  5. Step 5: Solve for x
    x = 18,117,216,762,128.88/3,478,128.40
  6. Step 6: Final answer
    x = 5,208,898.20

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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.