Home / 1,909,123.30-2,863,684.95-1,058,817.70

Finding the Fourth Proportional to 1,909,123.30, 2,863,684.95 and 1,058,817.70

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Solution

The fourth proportional to 1,909,123.30, 2,863,684.95 and 1,058,817.70 is: 1,588,226.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,123.30 : 2,863,684.95 = 1,058,817.70 : x
  2. Step 2: Convert to fraction form
    1,909,123.30/2,863,684.95 = 1,058,817.70/x
  3. Step 3: Cross multiply
    1,909,123.30x = 2,863,684.95 × 1,058,817.70
  4. Step 4: Simplify right side
    1,909,123.30x = 3,032,120,312,283.62
  5. Step 5: Solve for x
    x = 3,032,120,312,283.62/1,909,123.30
  6. Step 6: Final answer
    x = 1,588,226.55

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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.