Finding the Fourth Proportional to 3,720,420.95, 5,580,687.47 and 1,291,651.29
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Solution
The fourth proportional to 3,720,420.95, 5,580,687.47 and 1,291,651.29 is: 1,937,496.39
Step by Step Solution
- Step 1: Write the proportion equation
3,720,420.95 : 5,580,687.47 = 1,291,651.29 : x - Step 2: Convert to fraction form
3,720,420.95/5,580,687.47 = 1,291,651.29/x - Step 3: Cross multiply
3,720,420.95x = 5,580,687.47 × 1,291,651.29 - Step 4: Simplify right side
3,720,420.95x = 7,208,302,163,254.08 - Step 5: Solve for x
x = 7,208,302,163,254.08/3,720,420.95 - Step 6: Final answer
x = 1,937,496.39
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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.