Home / 1,897,605.79-2,618,725.51-1,038,180.40

Finding the Fourth Proportional to 1,897,605.79, 2,618,725.51 and 1,038,180.40

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Solution

The fourth proportional to 1,897,605.79, 2,618,725.51 and 1,038,180.40 is: 1,432,705.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,605.79 : 2,618,725.51 = 1,038,180.40 : x
  2. Step 2: Convert to fraction form
    1,897,605.79/2,618,725.51 = 1,038,180.40/x
  3. Step 3: Cross multiply
    1,897,605.79x = 2,618,725.51 × 1,038,180.40
  4. Step 4: Simplify right side
    1,897,605.79x = 2,718,709,492,212.92
  5. Step 5: Solve for x
    x = 2,718,709,492,212.92/1,897,605.79
  6. Step 6: Final answer
    x = 1,432,705.10

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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.