Home / 4,674,006.57-7,011,009.87-1,128,150.57

Finding the Fourth Proportional to 4,674,006.57, 7,011,009.87 and 1,128,150.57

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Solution

The fourth proportional to 4,674,006.57, 7,011,009.87 and 1,128,150.57 is: 1,692,225.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674,006.57 : 7,011,009.87 = 1,128,150.57 : x
  2. Step 2: Convert to fraction form
    4,674,006.57/7,011,009.87 = 1,128,150.57/x
  3. Step 3: Cross multiply
    4,674,006.57x = 7,011,009.87 × 1,128,150.57
  4. Step 4: Simplify right side
    4,674,006.57x = 7,909,474,781,116.13
  5. Step 5: Solve for x
    x = 7,909,474,781,116.13/4,674,006.57
  6. Step 6: Final answer
    x = 1,692,225.86

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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.