Home / 1,885,363.49-2,604,425.81-1,815,368.77

Finding the Fourth Proportional to 1,885,363.49, 2,604,425.81 and 1,815,368.77

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Solution

The fourth proportional to 1,885,363.49, 2,604,425.81 and 1,815,368.77 is: 2,507,735.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885,363.49 : 2,604,425.81 = 1,815,368.77 : x
  2. Step 2: Convert to fraction form
    1,885,363.49/2,604,425.81 = 1,815,368.77/x
  3. Step 3: Cross multiply
    1,885,363.49x = 2,604,425.81 × 1,815,368.77
  4. Step 4: Simplify right side
    1,885,363.49x = 4,727,993,257,156.98
  5. Step 5: Solve for x
    x = 4,727,993,257,156.98/1,885,363.49
  6. Step 6: Final answer
    x = 2,507,735.66

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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.