Finding the Fourth Proportional to 1,938,159.60, 2,910,349.80 and 1,465,378.80
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Solution
The fourth proportional to 1,938,159.60, 2,910,349.80 and 1,465,378.80 is: 2,200,419.87
Step by Step Solution
- Step 1: Write the proportion equation
1,938,159.60 : 2,910,349.80 = 1,465,378.80 : x - Step 2: Convert to fraction form
1,938,159.60/2,910,349.80 = 1,465,378.80/x - Step 3: Cross multiply
1,938,159.60x = 2,910,349.80 × 1,465,378.80 - Step 4: Simplify right side
1,938,159.60x = 4,264,764,897,504.24 - Step 5: Solve for x
x = 4,264,764,897,504.24/1,938,159.60 - Step 6: Final answer
x = 2,200,419.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.