Home / 1,867,386.60-2,794,859.10-1,643,437.80

Finding the Fourth Proportional to 1,867,386.60, 2,794,859.10 and 1,643,437.80

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Solution

The fourth proportional to 1,867,386.60, 2,794,859.10 and 1,643,437.80 is: 2,459,681.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867,386.60 : 2,794,859.10 = 1,643,437.80 : x
  2. Step 2: Convert to fraction form
    1,867,386.60/2,794,859.10 = 1,643,437.80/x
  3. Step 3: Cross multiply
    1,867,386.60x = 2,794,859.10 × 1,643,437.80
  4. Step 4: Simplify right side
    1,867,386.60x = 4,593,177,090,613.98
  5. Step 5: Solve for x
    x = 4,593,177,090,613.98/1,867,386.60
  6. Step 6: Final answer
    x = 2,459,681.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.