Finding the Fourth Proportional to 4,221,766.58, 5,825,881.87 and 2,287,985.64
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Solution
The fourth proportional to 4,221,766.58, 5,825,881.87 and 2,287,985.64 is: 3,157,335.63
Step by Step Solution
- Step 1: Write the proportion equation
4,221,766.58 : 5,825,881.87 = 2,287,985.64 : x - Step 2: Convert to fraction form
4,221,766.58/5,825,881.87 = 2,287,985.64/x - Step 3: Cross multiply
4,221,766.58x = 5,825,881.87 × 2,287,985.64 - Step 4: Simplify right side
4,221,766.58x = 13,329,534,031,329.32 - Step 5: Solve for x
x = 13,329,534,031,329.32/4,221,766.58 - Step 6: Final answer
x = 3,157,335.63
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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.