Finding the Fourth Proportional to 5,717,187.95, 7,905,238.29 and 5,624,784.47
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Solution
The fourth proportional to 5,717,187.95, 7,905,238.29 and 5,624,784.47 is: 7,777,470.66
Step by Step Solution
- Step 1: Write the proportion equation
5,717,187.95 : 7,905,238.29 = 5,624,784.47 : x - Step 2: Convert to fraction form
5,717,187.95/7,905,238.29 = 5,624,784.47/x - Step 3: Cross multiply
5,717,187.95x = 7,905,238.29 × 5,624,784.47 - Step 4: Simplify right side
5,717,187.95x = 44,465,261,525,715.16 - Step 5: Solve for x
x = 44,465,261,525,715.16/5,717,187.95 - Step 6: Final answer
x = 7,777,470.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.