Finding the Fourth Proportional to 1,338,358.10, 2,009,092.35 and 806,479.70
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Solution
The fourth proportional to 1,338,358.10, 2,009,092.35 and 806,479.70 is: 1,210,656.70
Step by Step Solution
- Step 1: Write the proportion equation
1,338,358.10 : 2,009,092.35 = 806,479.70 : x - Step 2: Convert to fraction form
1,338,358.10/2,009,092.35 = 806,479.70/x - Step 3: Cross multiply
1,338,358.10x = 2,009,092.35 × 806,479.70 - Step 4: Simplify right side
1,338,358.10x = 1,620,292,195,700.30 - Step 5: Solve for x
x = 1,620,292,195,700.30/1,338,358.10 - Step 6: Final answer
x = 1,210,656.70
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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.