Finding the Fourth Proportional to 4,124,679.17, 5,692,741.38 and 2,405,799.63
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Solution
The fourth proportional to 4,124,679.17, 5,692,741.38 and 2,405,799.63 is: 3,320,402.52
Step by Step Solution
- Step 1: Write the proportion equation
4,124,679.17 : 5,692,741.38 = 2,405,799.63 : x - Step 2: Convert to fraction form
4,124,679.17/5,692,741.38 = 2,405,799.63/x - Step 3: Cross multiply
4,124,679.17x = 5,692,741.38 × 2,405,799.63 - Step 4: Simplify right side
4,124,679.17x = 13,695,595,105,689.69 - Step 5: Solve for x
x = 13,695,595,105,689.69/4,124,679.17 - Step 6: Final answer
x = 3,320,402.52
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1.5x scale
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.