Finding the Fourth Proportional to 5,148,122.60, 7,104,410.08 and 2,856,277.82
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Solution
The fourth proportional to 5,148,122.60, 7,104,410.08 and 2,856,277.82 is: 3,941,663.89
Step by Step Solution
- Step 1: Write the proportion equation
5,148,122.60 : 7,104,410.08 = 2,856,277.82 : x - Step 2: Convert to fraction form
5,148,122.60/7,104,410.08 = 2,856,277.82/x - Step 3: Cross multiply
5,148,122.60x = 7,104,410.08 × 2,856,277.82 - Step 4: Simplify right side
5,148,122.60x = 20,292,168,946,308.75 - Step 5: Solve for x
x = 20,292,168,946,308.75/5,148,122.60 - Step 6: Final answer
x = 3,941,663.89
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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.