Finding the Fourth Proportional to 1,618,061.60, 2,427,772.80 and 869,232.80
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Solution
The fourth proportional to 1,618,061.60, 2,427,772.80 and 869,232.80 is: 1,304,214.72
Step by Step Solution
- Step 1: Write the proportion equation
1,618,061.60 : 2,427,772.80 = 869,232.80 : x - Step 2: Convert to fraction form
1,618,061.60/2,427,772.80 = 869,232.80/x - Step 3: Cross multiply
1,618,061.60x = 2,427,772.80 × 869,232.80 - Step 4: Simplify right side
1,618,061.60x = 2,110,299,748,707.84 - Step 5: Solve for x
x = 2,110,299,748,707.84/1,618,061.60 - Step 6: Final answer
x = 1,304,214.72
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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.