Home / 1,572,737.58-2,171,108.57-1,185,709.64

Finding the Fourth Proportional to 1,572,737.58, 2,171,108.57 and 1,185,709.64

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Solution

The fourth proportional to 1,572,737.58, 2,171,108.57 and 1,185,709.64 is: 1,636,830.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,737.58 : 2,171,108.57 = 1,185,709.64 : x
  2. Step 2: Convert to fraction form
    1,572,737.58/2,171,108.57 = 1,185,709.64/x
  3. Step 3: Cross multiply
    1,572,737.58x = 2,171,108.57 × 1,185,709.64
  4. Step 4: Simplify right side
    1,572,737.58x = 2,574,304,344,151.52
  5. Step 5: Solve for x
    x = 2,574,304,344,151.52/1,572,737.58
  6. Step 6: Final answer
    x = 1,636,830.19

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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.