Home / 2,187,320.04-3,018,510-1,220,491.08

Finding the Fourth Proportional to 2,187,320.04, 3,018,510 and 1,220,491.08

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Solution

The fourth proportional to 2,187,320.04, 3,018,510 and 1,220,491.08 is: 1,684,282.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,320.04 : 3,018,510 = 1,220,491.08 : x
  2. Step 2: Convert to fraction form
    2,187,320.04/3,018,510 = 1,220,491.08/x
  3. Step 3: Cross multiply
    2,187,320.04x = 3,018,510 × 1,220,491.08
  4. Step 4: Simplify right side
    2,187,320.04x = 3,684,064,529,890.80
  5. Step 5: Solve for x
    x = 3,684,064,529,890.80/2,187,320.04
  6. Step 6: Final answer
    x = 1,684,282.35

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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.