Home / 2,997,000.70-4,495,501.05-1,987,262.80

Finding the Fourth Proportional to 2,997,000.70, 4,495,501.05 and 1,987,262.80

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Solution

The fourth proportional to 2,997,000.70, 4,495,501.05 and 1,987,262.80 is: 2,980,894.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997,000.70 : 4,495,501.05 = 1,987,262.80 : x
  2. Step 2: Convert to fraction form
    2,997,000.70/4,495,501.05 = 1,987,262.80/x
  3. Step 3: Cross multiply
    2,997,000.70x = 4,495,501.05 × 1,987,262.80
  4. Step 4: Simplify right side
    2,997,000.70x = 8,933,742,004,025.94
  5. Step 5: Solve for x
    x = 8,933,742,004,025.94/2,997,000.70
  6. Step 6: Final answer
    x = 2,980,894.20

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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.