Home / 2,128,541.94-2,936,074.32-1,516,890.69

Finding the Fourth Proportional to 2,128,541.94, 2,936,074.32 and 1,516,890.69

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Solution

The fourth proportional to 2,128,541.94, 2,936,074.32 and 1,516,890.69 is: 2,092,373.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,541.94 : 2,936,074.32 = 1,516,890.69 : x
  2. Step 2: Convert to fraction form
    2,128,541.94/2,936,074.32 = 1,516,890.69/x
  3. Step 3: Cross multiply
    2,128,541.94x = 2,936,074.32 × 1,516,890.69
  4. Step 4: Simplify right side
    2,128,541.94x = 4,453,703,801,156.08
  5. Step 5: Solve for x
    x = 4,453,703,801,156.08/2,128,541.94
  6. Step 6: Final answer
    x = 2,092,373.05

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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.