Finding the Fourth Proportional to 1,351,808.74, 1,865,368.47 and 807,836.23
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Solution
The fourth proportional to 1,351,808.74, 1,865,368.47 and 807,836.23 is: 1,114,737.75
Step by Step Solution
- Step 1: Write the proportion equation
1,351,808.74 : 1,865,368.47 = 807,836.23 : x - Step 2: Convert to fraction form
1,351,808.74/1,865,368.47 = 807,836.23/x - Step 3: Cross multiply
1,351,808.74x = 1,865,368.47 × 807,836.23 - Step 4: Simplify right side
1,351,808.74x = 1,506,912,232,365.67 - Step 5: Solve for x
x = 1,506,912,232,365.67/1,351,808.74 - Step 6: Final answer
x = 1,114,737.75
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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.