Home / 1,896,957.70-2,617,642.65-1,069,985.56

Finding the Fourth Proportional to 1,896,957.70, 2,617,642.65 and 1,069,985.56

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Solution

The fourth proportional to 1,896,957.70, 2,617,642.65 and 1,069,985.56 is: 1,476,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896,957.70 : 2,617,642.65 = 1,069,985.56 : x
  2. Step 2: Convert to fraction form
    1,896,957.70/2,617,642.65 = 1,069,985.56/x
  3. Step 3: Cross multiply
    1,896,957.70x = 2,617,642.65 × 1,069,985.56
  4. Step 4: Simplify right side
    1,896,957.70x = 2,800,839,836,740.13
  5. Step 5: Solve for x
    x = 2,800,839,836,740.13/1,896,957.70
  6. Step 6: Final answer
    x = 1,476,490.40

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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.