Home / 1,521,626.04-2,102,031.15-1,215,300.24

Finding the Fourth Proportional to 1,521,626.04, 2,102,031.15 and 1,215,300.24

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Solution

The fourth proportional to 1,521,626.04, 2,102,031.15 and 1,215,300.24 is: 1,678,861.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,626.04 : 2,102,031.15 = 1,215,300.24 : x
  2. Step 2: Convert to fraction form
    1,521,626.04/2,102,031.15 = 1,215,300.24/x
  3. Step 3: Cross multiply
    1,521,626.04x = 2,102,031.15 × 1,215,300.24
  4. Step 4: Simplify right side
    1,521,626.04x = 2,554,598,961,082.48
  5. Step 5: Solve for x
    x = 2,554,598,961,082.48/1,521,626.04
  6. Step 6: Final answer
    x = 1,678,861.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.