Home / 1,870,763.40-2,806,971.30-910,686.60

Finding the Fourth Proportional to 1,870,763.40, 2,806,971.30 and 910,686.60

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Solution

The fourth proportional to 1,870,763.40, 2,806,971.30 and 910,686.60 is: 1,366,432.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,763.40 : 2,806,971.30 = 910,686.60 : x
  2. Step 2: Convert to fraction form
    1,870,763.40/2,806,971.30 = 910,686.60/x
  3. Step 3: Cross multiply
    1,870,763.40x = 2,806,971.30 × 910,686.60
  4. Step 4: Simplify right side
    1,870,763.40x = 2,556,271,149,494.58
  5. Step 5: Solve for x
    x = 2,556,271,149,494.58/1,870,763.40
  6. Step 6: Final answer
    x = 1,366,432.09

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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.