Finding the Fourth Proportional to 1,439,629.60, 2,154,916.08 and 987,707.92
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Solution
The fourth proportional to 1,439,629.60, 2,154,916.08 and 987,707.92 is: 1,478,455.07
Step by Step Solution
- Step 1: Write the proportion equation
1,439,629.60 : 2,154,916.08 = 987,707.92 : x - Step 2: Convert to fraction form
1,439,629.60/2,154,916.08 = 987,707.92/x - Step 3: Cross multiply
1,439,629.60x = 2,154,916.08 × 987,707.92 - Step 4: Simplify right side
1,439,629.60x = 2,128,427,679,151.35 - Step 5: Solve for x
x = 2,128,427,679,151.35/1,439,629.60 - Step 6: Final answer
x = 1,478,455.07
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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.