Home / 1,689,681.03-2,518,265.27-1,662,777.29

Finding the Fourth Proportional to 1,689,681.03, 2,518,265.27 and 1,662,777.29

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Solution

The fourth proportional to 1,689,681.03, 2,518,265.27 and 1,662,777.29 is: 2,478,168.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,681.03 : 2,518,265.27 = 1,662,777.29 : x
  2. Step 2: Convert to fraction form
    1,689,681.03/2,518,265.27 = 1,662,777.29/x
  3. Step 3: Cross multiply
    1,689,681.03x = 2,518,265.27 × 1,662,777.29
  4. Step 4: Simplify right side
    1,689,681.03x = 4,187,314,301,151.72
  5. Step 5: Solve for x
    x = 4,187,314,301,151.72/1,689,681.03
  6. Step 6: Final answer
    x = 2,478,168.50

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.