Home / 1,938,225.45-2,908,338.80-927,142.65

Finding the Fourth Proportional to 1,938,225.45, 2,908,338.80 and 927,142.65

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Solution

The fourth proportional to 1,938,225.45, 2,908,338.80 and 927,142.65 is: 1,391,192.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,225.45 : 2,908,338.80 = 927,142.65 : x
  2. Step 2: Convert to fraction form
    1,938,225.45/2,908,338.80 = 927,142.65/x
  3. Step 3: Cross multiply
    1,938,225.45x = 2,908,338.80 × 927,142.65
  4. Step 4: Simplify right side
    1,938,225.45x = 2,696,444,937,494.11
  5. Step 5: Solve for x
    x = 2,696,444,937,494.11/1,938,225.45
  6. Step 6: Final answer
    x = 1,391,192.62

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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.