Home / 4,752,000.30-7,128,000.45-1,557,230.70

Finding the Fourth Proportional to 4,752,000.30, 7,128,000.45 and 1,557,230.70

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Solution

The fourth proportional to 4,752,000.30, 7,128,000.45 and 1,557,230.70 is: 2,335,846.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,000.30 : 7,128,000.45 = 1,557,230.70 : x
  2. Step 2: Convert to fraction form
    4,752,000.30/7,128,000.45 = 1,557,230.70/x
  3. Step 3: Cross multiply
    4,752,000.30x = 7,128,000.45 × 1,557,230.70
  4. Step 4: Simplify right side
    4,752,000.30x = 11,099,941,130,353.81
  5. Step 5: Solve for x
    x = 11,099,941,130,353.81/4,752,000.30
  6. Step 6: Final answer
    x = 2,335,846.05

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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.