Finding the Fourth Proportional to 1,314,207.18, 1,971,503.96 and 415,444.95
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Solution
The fourth proportional to 1,314,207.18, 1,971,503.96 and 415,444.95 is: 623,228.49
Step by Step Solution
- Step 1: Write the proportion equation
1,314,207.18 : 1,971,503.96 = 415,444.95 : x - Step 2: Convert to fraction form
1,314,207.18/1,971,503.96 = 415,444.95/x - Step 3: Cross multiply
1,314,207.18x = 1,971,503.96 × 415,444.95 - Step 4: Simplify right side
1,314,207.18x = 819,051,362,009.78 - Step 5: Solve for x
x = 819,051,362,009.78/1,314,207.18 - Step 6: Final answer
x = 623,228.49
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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.