Home / 3,161,748.56-4,742,754.05-917,886.56

Finding the Fourth Proportional to 3,161,748.56, 4,742,754.05 and 917,886.56

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Solution

The fourth proportional to 3,161,748.56, 4,742,754.05 and 917,886.56 is: 1,376,867.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161,748.56 : 4,742,754.05 = 917,886.56 : x
  2. Step 2: Convert to fraction form
    3,161,748.56/4,742,754.05 = 917,886.56/x
  3. Step 3: Cross multiply
    3,161,748.56x = 4,742,754.05 × 917,886.56
  4. Step 4: Simplify right side
    3,161,748.56x = 4,353,310,178,461.51
  5. Step 5: Solve for x
    x = 4,353,310,178,461.51/3,161,748.56
  6. Step 6: Final answer
    x = 1,376,867.93

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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.