Finding the Fourth Proportional to 6,909,844.80, 10,361,656.80 and 2,648,596.80
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Solution
The fourth proportional to 6,909,844.80, 10,361,656.80 and 2,648,596.80 is: 3,971,702.96
Step by Step Solution
- Step 1: Write the proportion equation
6,909,844.80 : 10,361,656.80 = 2,648,596.80 : x - Step 2: Convert to fraction form
6,909,844.80/10,361,656.80 = 2,648,596.80/x - Step 3: Cross multiply
6,909,844.80x = 10,361,656.80 × 2,648,596.80 - Step 4: Simplify right side
6,909,844.80x = 27,443,851,043,178.24 - Step 5: Solve for x
x = 27,443,851,043,178.24/6,909,844.80 - Step 6: Final answer
x = 3,971,702.96
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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.