Finding the Fourth Proportional to 2,585,252.28, 3,878,135.40 and 989,157.81
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Solution
The fourth proportional to 2,585,252.28, 3,878,135.40 and 989,157.81 is: 1,483,835.04
Step by Step Solution
- Step 1: Write the proportion equation
2,585,252.28 : 3,878,135.40 = 989,157.81 : x - Step 2: Convert to fraction form
2,585,252.28/3,878,135.40 = 989,157.81/x - Step 3: Cross multiply
2,585,252.28x = 3,878,135.40 × 989,157.81 - Step 4: Simplify right side
2,585,252.28x = 3,836,087,919,147.47 - Step 5: Solve for x
x = 3,836,087,919,147.47/2,585,252.28 - Step 6: Final answer
x = 1,483,835.04
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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.