Finding the Fourth Proportional to 6,463,637.99, 9,692,476.11 and 1,913,059.61
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Solution
The fourth proportional to 6,463,637.99, 9,692,476.11 and 1,913,059.61 is: 2,868,707.15
Step by Step Solution
- Step 1: Write the proportion equation
6,463,637.99 : 9,692,476.11 = 1,913,059.61 : x - Step 2: Convert to fraction form
6,463,637.99/9,692,476.11 = 1,913,059.61/x - Step 3: Cross multiply
6,463,637.99x = 9,692,476.11 × 1,913,059.61 - Step 4: Simplify right side
6,463,637.99x = 18,542,284,518,468.54 - Step 5: Solve for x
x = 18,542,284,518,468.54/6,463,637.99 - Step 6: Final answer
x = 2,868,707.15
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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.