Finding the Fourth Proportional to 1,515,313.74, 2,270,472.84 and 1,359,055.02
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Solution
The fourth proportional to 1,515,313.74, 2,270,472.84 and 1,359,055.02 is: 2,036,342.33
Step by Step Solution
- Step 1: Write the proportion equation
1,515,313.74 : 2,270,472.84 = 1,359,055.02 : x - Step 2: Convert to fraction form
1,515,313.74/2,270,472.84 = 1,359,055.02/x - Step 3: Cross multiply
1,515,313.74x = 2,270,472.84 × 1,359,055.02 - Step 4: Simplify right side
1,515,313.74x = 3,085,697,510,975.66 - Step 5: Solve for x
x = 3,085,697,510,975.66/1,515,313.74 - Step 6: Final answer
x = 2,036,342.33
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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.