Home / 4,742,873.20-7,112,094.90-1,709,839.60

Finding the Fourth Proportional to 4,742,873.20, 7,112,094.90 and 1,709,839.60

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Solution

The fourth proportional to 4,742,873.20, 7,112,094.90 and 1,709,839.60 is: 2,563,960.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742,873.20 : 7,112,094.90 = 1,709,839.60 : x
  2. Step 2: Convert to fraction form
    4,742,873.20/7,112,094.90 = 1,709,839.60/x
  3. Step 3: Cross multiply
    4,742,873.20x = 7,112,094.90 × 1,709,839.60
  4. Step 4: Simplify right side
    4,742,873.20x = 12,160,541,498,978.04
  5. Step 5: Solve for x
    x = 12,160,541,498,978.04/4,742,873.20
  6. Step 6: Final answer
    x = 2,563,960.91

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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.