Finding the Fourth Proportional to 3,197,630.84, 4,412,742.32 and 1,747,326.50
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Solution
The fourth proportional to 3,197,630.84, 4,412,742.32 and 1,747,326.50 is: 2,411,316.99
Step by Step Solution
- Step 1: Write the proportion equation
3,197,630.84 : 4,412,742.32 = 1,747,326.50 : x - Step 2: Convert to fraction form
3,197,630.84/4,412,742.32 = 1,747,326.50/x - Step 3: Cross multiply
3,197,630.84x = 4,412,742.32 × 1,747,326.50 - Step 4: Simplify right side
3,197,630.84x = 7,710,501,562,607.14 - Step 5: Solve for x
x = 7,710,501,562,607.14/3,197,630.84 - Step 6: Final answer
x = 2,411,316.99
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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.