Home / 2,616,656.40-3,922,068.60-1,018,688.40

Finding the Fourth Proportional to 2,616,656.40, 3,922,068.60 and 1,018,688.40

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Solution

The fourth proportional to 2,616,656.40, 3,922,068.60 and 1,018,688.40 is: 1,526,897.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616,656.40 : 3,922,068.60 = 1,018,688.40 : x
  2. Step 2: Convert to fraction form
    2,616,656.40/3,922,068.60 = 1,018,688.40/x
  3. Step 3: Cross multiply
    2,616,656.40x = 3,922,068.60 × 1,018,688.40
  4. Step 4: Simplify right side
    2,616,656.40x = 3,995,365,786,824.24
  5. Step 5: Solve for x
    x = 3,995,365,786,824.24/2,616,656.40
  6. Step 6: Final answer
    x = 1,526,897.37

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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.