Home / 2,078,686.95-2,870,568.95-1,965,472.84

Finding the Fourth Proportional to 2,078,686.95, 2,870,568.95 and 1,965,472.84

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Solution

The fourth proportional to 2,078,686.95, 2,870,568.95 and 1,965,472.84 is: 2,714,225.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,686.95 : 2,870,568.95 = 1,965,472.84 : x
  2. Step 2: Convert to fraction form
    2,078,686.95/2,870,568.95 = 1,965,472.84/x
  3. Step 3: Cross multiply
    2,078,686.95x = 2,870,568.95 × 1,965,472.84
  4. Step 4: Simplify right side
    2,078,686.95x = 5,642,025,306,572.32
  5. Step 5: Solve for x
    x = 5,642,025,306,572.32/2,078,686.95
  6. Step 6: Final answer
    x = 2,714,225.59

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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.