Home / 1,989,440.04-2,985,384.06-1,582,219.56

Finding the Fourth Proportional to 1,989,440.04, 2,985,384.06 and 1,582,219.56

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Solution

The fourth proportional to 1,989,440.04, 2,985,384.06 and 1,582,219.56 is: 2,374,302.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,440.04 : 2,985,384.06 = 1,582,219.56 : x
  2. Step 2: Convert to fraction form
    1,989,440.04/2,985,384.06 = 1,582,219.56/x
  3. Step 3: Cross multiply
    1,989,440.04x = 2,985,384.06 × 1,582,219.56
  4. Step 4: Simplify right side
    1,989,440.04x = 4,723,533,053,844.21
  5. Step 5: Solve for x
    x = 4,723,533,053,844.21/1,989,440.04
  6. Step 6: Final answer
    x = 2,374,302.80

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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.