Home / 1,890,124.45-2,830,521.07-1,255,602.85

Finding the Fourth Proportional to 1,890,124.45, 2,830,521.07 and 1,255,602.85

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Solution

The fourth proportional to 1,890,124.45, 2,830,521.07 and 1,255,602.85 is: 1,880,304.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,124.45 : 2,830,521.07 = 1,255,602.85 : x
  2. Step 2: Convert to fraction form
    1,890,124.45/2,830,521.07 = 1,255,602.85/x
  3. Step 3: Cross multiply
    1,890,124.45x = 2,830,521.07 × 1,255,602.85
  4. Step 4: Simplify right side
    1,890,124.45x = 3,554,010,322,477.05
  5. Step 5: Solve for x
    x = 3,554,010,322,477.05/1,890,124.45
  6. Step 6: Final answer
    x = 1,880,304.93

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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.