Home / 2,267,000.77-3,128,430.16-1,286,931.28

Finding the Fourth Proportional to 2,267,000.77, 3,128,430.16 and 1,286,931.28

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Solution

The fourth proportional to 2,267,000.77, 3,128,430.16 and 1,286,931.28 is: 1,775,947.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267,000.77 : 3,128,430.16 = 1,286,931.28 : x
  2. Step 2: Convert to fraction form
    2,267,000.77/3,128,430.16 = 1,286,931.28/x
  3. Step 3: Cross multiply
    2,267,000.77x = 3,128,430.16 × 1,286,931.28
  4. Step 4: Simplify right side
    2,267,000.77x = 4,026,074,627,009.84
  5. Step 5: Solve for x
    x = 4,026,074,627,009.84/2,267,000.77
  6. Step 6: Final answer
    x = 1,775,947.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.