Home / 1,898,325.90-2,619,654.72-1,038,868.92

Finding the Fourth Proportional to 1,898,325.90, 2,619,654.72 and 1,038,868.92

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Solution

The fourth proportional to 1,898,325.90, 2,619,654.72 and 1,038,868.92 is: 1,433,619.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,325.90 : 2,619,654.72 = 1,038,868.92 : x
  2. Step 2: Convert to fraction form
    1,898,325.90/2,619,654.72 = 1,038,868.92/x
  3. Step 3: Cross multiply
    1,898,325.90x = 2,619,654.72 × 1,038,868.92
  4. Step 4: Simplify right side
    1,898,325.90x = 2,721,477,869,739.30
  5. Step 5: Solve for x
    x = 2,721,477,869,739.30/1,898,325.90
  6. Step 6: Final answer
    x = 1,433,619.94

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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.