Home / 1,619,428.80-2,429,143.20-1,497,777.60

Finding the Fourth Proportional to 1,619,428.80, 2,429,143.20 and 1,497,777.60

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Solution

The fourth proportional to 1,619,428.80, 2,429,143.20 and 1,497,777.60 is: 2,246,666.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,428.80 : 2,429,143.20 = 1,497,777.60 : x
  2. Step 2: Convert to fraction form
    1,619,428.80/2,429,143.20 = 1,497,777.60/x
  3. Step 3: Cross multiply
    1,619,428.80x = 2,429,143.20 × 1,497,777.60
  4. Step 4: Simplify right side
    1,619,428.80x = 3,638,316,272,152.32
  5. Step 5: Solve for x
    x = 3,638,316,272,152.32/1,619,428.80
  6. Step 6: Final answer
    x = 2,246,666.40

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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.