Home / 1,897,862.48-2,847,844.76-776,718.80

Finding the Fourth Proportional to 1,897,862.48, 2,847,844.76 and 776,718.80

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Solution

The fourth proportional to 1,897,862.48, 2,847,844.76 and 776,718.80 is: 1,165,508.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,862.48 : 2,847,844.76 = 776,718.80 : x
  2. Step 2: Convert to fraction form
    1,897,862.48/2,847,844.76 = 776,718.80/x
  3. Step 3: Cross multiply
    1,897,862.48x = 2,847,844.76 × 776,718.80
  4. Step 4: Simplify right side
    1,897,862.48x = 2,211,974,564,573.49
  5. Step 5: Solve for x
    x = 2,211,974,564,573.49/1,897,862.48
  6. Step 6: Final answer
    x = 1,165,508.35

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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.