Finding the Fourth Proportional to 2,405,881.41, 3,319,952.18 and 1,412,776.05
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Solution
The fourth proportional to 2,405,881.41, 3,319,952.18 and 1,412,776.05 is: 1,949,534.55
Step by Step Solution
- Step 1: Write the proportion equation
2,405,881.41 : 3,319,952.18 = 1,412,776.05 : x - Step 2: Convert to fraction form
2,405,881.41/3,319,952.18 = 1,412,776.05/x - Step 3: Cross multiply
2,405,881.41x = 3,319,952.18 × 1,412,776.05 - Step 4: Simplify right side
2,405,881.41x = 4,690,348,919,985.41 - Step 5: Solve for x
x = 4,690,348,919,985.41/2,405,881.41 - Step 6: Final answer
x = 1,949,534.55
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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.