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Finding the Fourth Proportional to 1,989,798.03, 2,984,697.05 and 493,890.03

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Solution

The fourth proportional to 1,989,798.03, 2,984,697.05 and 493,890.03 is: 740,835.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,798.03 : 2,984,697.05 = 493,890.03 : x
  2. Step 2: Convert to fraction form
    1,989,798.03/2,984,697.05 = 493,890.03/x
  3. Step 3: Cross multiply
    1,989,798.03x = 2,984,697.05 × 493,890.03
  4. Step 4: Simplify right side
    1,989,798.03x = 1,474,112,113,095.96
  5. Step 5: Solve for x
    x = 1,474,112,113,095.96/1,989,798.03
  6. Step 6: Final answer
    x = 740,835.05

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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.