Home / 2,116,396.23-2,920,648.23-1,149,545.40

Finding the Fourth Proportional to 2,116,396.23, 2,920,648.23 and 1,149,545.40

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Solution

The fourth proportional to 2,116,396.23, 2,920,648.23 and 1,149,545.40 is: 1,586,384.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,396.23 : 2,920,648.23 = 1,149,545.40 : x
  2. Step 2: Convert to fraction form
    2,116,396.23/2,920,648.23 = 1,149,545.40/x
  3. Step 3: Cross multiply
    2,116,396.23x = 2,920,648.23 × 1,149,545.40
  4. Step 4: Simplify right side
    2,116,396.23x = 3,357,417,737,814.64
  5. Step 5: Solve for x
    x = 3,357,417,737,814.64/2,116,396.23
  6. Step 6: Final answer
    x = 1,586,384.29

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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.