Home / 2,078,792.16-2,868,675.12-1,173,458.40

Finding the Fourth Proportional to 2,078,792.16, 2,868,675.12 and 1,173,458.40

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Solution

The fourth proportional to 2,078,792.16, 2,868,675.12 and 1,173,458.40 is: 1,619,339.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,792.16 : 2,868,675.12 = 1,173,458.40 : x
  2. Step 2: Convert to fraction form
    2,078,792.16/2,868,675.12 = 1,173,458.40/x
  3. Step 3: Cross multiply
    2,078,792.16x = 2,868,675.12 × 1,173,458.40
  4. Step 4: Simplify right side
    2,078,792.16x = 3,366,270,916,435.01
  5. Step 5: Solve for x
    x = 3,366,270,916,435.01/2,078,792.16
  6. Step 6: Final answer
    x = 1,619,339.82

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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.