Home / 2,140,925.77-2,954,518.16-1,173,998.40

Finding the Fourth Proportional to 2,140,925.77, 2,954,518.16 and 1,173,998.40

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Solution

The fourth proportional to 2,140,925.77, 2,954,518.16 and 1,173,998.40 is: 1,620,140.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,925.77 : 2,954,518.16 = 1,173,998.40 : x
  2. Step 2: Convert to fraction form
    2,140,925.77/2,954,518.16 = 1,173,998.40/x
  3. Step 3: Cross multiply
    2,140,925.77x = 2,954,518.16 × 1,173,998.40
  4. Step 4: Simplify right side
    2,140,925.77x = 3,468,599,592,610.94
  5. Step 5: Solve for x
    x = 3,468,599,592,610.94/2,140,925.77
  6. Step 6: Final answer
    x = 1,620,140.05

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1.5x scale

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.