Home / 1,870,699.40-2,806,875.30-910,622.60

Finding the Fourth Proportional to 1,870,699.40, 2,806,875.30 and 910,622.60

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Solution

The fourth proportional to 1,870,699.40, 2,806,875.30 and 910,622.60 is: 1,366,336.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,699.40 : 2,806,875.30 = 910,622.60 : x
  2. Step 2: Convert to fraction form
    1,870,699.40/2,806,875.30 = 910,622.60/x
  3. Step 3: Cross multiply
    1,870,699.40x = 2,806,875.30 × 910,622.60
  4. Step 4: Simplify right side
    1,870,699.40x = 2,556,004,083,561.78
  5. Step 5: Solve for x
    x = 2,556,004,083,561.78/1,870,699.40
  6. Step 6: Final answer
    x = 1,366,336.08

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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.