Finding the Fourth Proportional to 1,556,177.12, 2,148,241.56 and 1,097,665.28
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Solution
The fourth proportional to 1,556,177.12, 2,148,241.56 and 1,097,665.28 is: 1,515,283.92
Step by Step Solution
- Step 1: Write the proportion equation
1,556,177.12 : 2,148,241.56 = 1,097,665.28 : x - Step 2: Convert to fraction form
1,556,177.12/2,148,241.56 = 1,097,665.28/x - Step 3: Cross multiply
1,556,177.12x = 2,148,241.56 × 1,097,665.28 - Step 4: Simplify right side
1,556,177.12x = 2,358,050,173,465.04 - Step 5: Solve for x
x = 2,358,050,173,465.04/1,556,177.12 - Step 6: Final answer
x = 1,515,283.92
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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.