Home / 1,803,957.61-2,488,517.67-1,115,409.37

Finding the Fourth Proportional to 1,803,957.61, 2,488,517.67 and 1,115,409.37

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Solution

The fourth proportional to 1,803,957.61, 2,488,517.67 and 1,115,409.37 is: 1,538,681.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,957.61 : 2,488,517.67 = 1,115,409.37 : x
  2. Step 2: Convert to fraction form
    1,803,957.61/2,488,517.67 = 1,115,409.37/x
  3. Step 3: Cross multiply
    1,803,957.61x = 2,488,517.67 × 1,115,409.37
  4. Step 4: Simplify right side
    1,803,957.61x = 2,775,715,926,528.57
  5. Step 5: Solve for x
    x = 2,775,715,926,528.57/1,803,957.61
  6. Step 6: Final answer
    x = 1,538,681.35

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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.