Home / 2,112,444.95-2,915,122.70-1,206,968.63

Finding the Fourth Proportional to 2,112,444.95, 2,915,122.70 and 1,206,968.63

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Solution

The fourth proportional to 2,112,444.95, 2,915,122.70 and 1,206,968.63 is: 1,665,587.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,444.95 : 2,915,122.70 = 1,206,968.63 : x
  2. Step 2: Convert to fraction form
    2,112,444.95/2,915,122.70 = 1,206,968.63/x
  3. Step 3: Cross multiply
    2,112,444.95x = 2,915,122.70 × 1,206,968.63
  4. Step 4: Simplify right side
    2,112,444.95x = 3,518,461,639,942.71
  5. Step 5: Solve for x
    x = 3,518,461,639,942.71/2,112,444.95
  6. Step 6: Final answer
    x = 1,665,587.38

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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.