Home / 1,678,113.61-2,518,424-1,137,087.05

Finding the Fourth Proportional to 1,678,113.61, 2,518,424 and 1,137,087.05

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Solution

The fourth proportional to 1,678,113.61, 2,518,424 and 1,137,087.05 is: 1,706,480.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,113.61 : 2,518,424 = 1,137,087.05 : x
  2. Step 2: Convert to fraction form
    1,678,113.61/2,518,424 = 1,137,087.05/x
  3. Step 3: Cross multiply
    1,678,113.61x = 2,518,424 × 1,137,087.05
  4. Step 4: Simplify right side
    1,678,113.61x = 2,863,667,316,809.20
  5. Step 5: Solve for x
    x = 2,863,667,316,809.20/1,678,113.61
  6. Step 6: Final answer
    x = 1,706,480.00

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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.