Home / 1,938,693.40-2,906,873.70-993,909.40

Finding the Fourth Proportional to 1,938,693.40, 2,906,873.70 and 993,909.40

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Solution

The fourth proportional to 1,938,693.40, 2,906,873.70 and 993,909.40 is: 1,490,266.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,693.40 : 2,906,873.70 = 993,909.40 : x
  2. Step 2: Convert to fraction form
    1,938,693.40/2,906,873.70 = 993,909.40/x
  3. Step 3: Cross multiply
    1,938,693.40x = 2,906,873.70 × 993,909.40
  4. Step 4: Simplify right side
    1,938,693.40x = 2,889,169,095,042.78
  5. Step 5: Solve for x
    x = 2,889,169,095,042.78/1,938,693.40
  6. Step 6: Final answer
    x = 1,490,266.12

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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.