Home / 1,889,717.20-2,834,575.80-1,411,420.30

Finding the Fourth Proportional to 1,889,717.20, 2,834,575.80 and 1,411,420.30

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Solution

The fourth proportional to 1,889,717.20, 2,834,575.80 and 1,411,420.30 is: 2,117,130.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,717.20 : 2,834,575.80 = 1,411,420.30 : x
  2. Step 2: Convert to fraction form
    1,889,717.20/2,834,575.80 = 1,411,420.30/x
  3. Step 3: Cross multiply
    1,889,717.20x = 2,834,575.80 × 1,411,420.30
  4. Step 4: Simplify right side
    1,889,717.20x = 4,000,777,826,008.74
  5. Step 5: Solve for x
    x = 4,000,777,826,008.74/1,889,717.20
  6. Step 6: Final answer
    x = 2,117,130.45

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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.