Finding the Fourth Proportional to 1,215,670.14, 1,677,482.06 and 671,773.50
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Solution
The fourth proportional to 1,215,670.14, 1,677,482.06 and 671,773.50 is: 926,968.55
Step by Step Solution
- Step 1: Write the proportion equation
1,215,670.14 : 1,677,482.06 = 671,773.50 : x - Step 2: Convert to fraction form
1,215,670.14/1,677,482.06 = 671,773.50/x - Step 3: Cross multiply
1,215,670.14x = 1,677,482.06 × 671,773.50 - Step 4: Simplify right side
1,215,670.14x = 1,126,887,991,274.54 - Step 5: Solve for x
x = 1,126,887,991,274.54/1,215,670.14 - Step 6: Final answer
x = 926,968.55
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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.