Home / 1,920,816.79-2,650,878.39-1,093,925.50

Finding the Fourth Proportional to 1,920,816.79, 2,650,878.39 and 1,093,925.50

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Solution

The fourth proportional to 1,920,816.79, 2,650,878.39 and 1,093,925.50 is: 1,509,703.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,816.79 : 2,650,878.39 = 1,093,925.50 : x
  2. Step 2: Convert to fraction form
    1,920,816.79/2,650,878.39 = 1,093,925.50/x
  3. Step 3: Cross multiply
    1,920,816.79x = 2,650,878.39 × 1,093,925.50
  4. Step 4: Simplify right side
    1,920,816.79x = 2,899,863,480,606.16
  5. Step 5: Solve for x
    x = 2,899,863,480,606.16/1,920,816.79
  6. Step 6: Final answer
    x = 1,509,703.32

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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.