Home / 2,167,444.51-2,991,140.93-1,200,664.76

Finding the Fourth Proportional to 2,167,444.51, 2,991,140.93 and 1,200,664.76

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Solution

The fourth proportional to 2,167,444.51, 2,991,140.93 and 1,200,664.76 is: 1,656,954.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,444.51 : 2,991,140.93 = 1,200,664.76 : x
  2. Step 2: Convert to fraction form
    2,167,444.51/2,991,140.93 = 1,200,664.76/x
  3. Step 3: Cross multiply
    2,167,444.51x = 2,991,140.93 × 1,200,664.76
  4. Step 4: Simplify right side
    2,167,444.51x = 3,591,357,506,844.63
  5. Step 5: Solve for x
    x = 3,591,357,506,844.63/2,167,444.51
  6. Step 6: Final answer
    x = 1,656,954.76

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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.