Finding the Fourth Proportional to 4,674,347.68, 7,010,817.36 and 1,479,058.24
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Solution
The fourth proportional to 4,674,347.68, 7,010,817.36 and 1,479,058.24 is: 2,218,364.55
Step by Step Solution
- Step 1: Write the proportion equation
4,674,347.68 : 7,010,817.36 = 1,479,058.24 : x - Step 2: Convert to fraction form
4,674,347.68/7,010,817.36 = 1,479,058.24/x - Step 3: Cross multiply
4,674,347.68x = 7,010,817.36 × 1,479,058.24 - Step 4: Simplify right side
4,674,347.68x = 10,369,407,185,443.05 - Step 5: Solve for x
x = 10,369,407,185,443.05/4,674,347.68 - Step 6: Final answer
x = 2,218,364.55
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1.5x scale
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.