Home / 3,161,750.06-4,742,756.31-917,888.06

Finding the Fourth Proportional to 3,161,750.06, 4,742,756.31 and 917,888.06

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Solution

The fourth proportional to 3,161,750.06, 4,742,756.31 and 917,888.06 is: 1,376,870.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161,750.06 : 4,742,756.31 = 917,888.06 : x
  2. Step 2: Convert to fraction form
    3,161,750.06/4,742,756.31 = 917,888.06/x
  3. Step 3: Cross multiply
    3,161,750.06x = 4,742,756.31 × 917,888.06
  4. Step 4: Simplify right side
    3,161,750.06x = 4,353,319,364,724.88
  5. Step 5: Solve for x
    x = 4,353,319,364,724.88/3,161,750.06
  6. Step 6: Final answer
    x = 1,376,870.18

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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.