Home / 1,875,000.70-2,796,111.79-1,668,329.20

Finding the Fourth Proportional to 1,875,000.70, 2,796,111.79 and 1,668,329.20

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Solution

The fourth proportional to 1,875,000.70, 2,796,111.79 and 1,668,329.20 is: 2,487,911.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875,000.70 : 2,796,111.79 = 1,668,329.20 : x
  2. Step 2: Convert to fraction form
    1,875,000.70/2,796,111.79 = 1,668,329.20/x
  3. Step 3: Cross multiply
    1,875,000.70x = 2,796,111.79 × 1,668,329.20
  4. Step 4: Simplify right side
    1,875,000.70x = 4,664,834,937,379.62
  5. Step 5: Solve for x
    x = 4,664,834,937,379.62/1,875,000.70
  6. Step 6: Final answer
    x = 2,487,911.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.