Finding the Fourth Proportional to 1,719,508.47, 2,370,420.80 and 1,201,654.59
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Solution
The fourth proportional to 1,719,508.47, 2,370,420.80 and 1,201,654.59 is: 1,656,535.62
Step by Step Solution
- Step 1: Write the proportion equation
1,719,508.47 : 2,370,420.80 = 1,201,654.59 : x - Step 2: Convert to fraction form
1,719,508.47/2,370,420.80 = 1,201,654.59/x - Step 3: Cross multiply
1,719,508.47x = 2,370,420.80 × 1,201,654.59 - Step 4: Simplify right side
1,719,508.47x = 2,848,427,016,691.10 - Step 5: Solve for x
x = 2,848,427,016,691.10/1,719,508.47 - Step 6: Final answer
x = 1,656,535.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.