Finding the Fourth Proportional to 1,941,277.90, 2,679,163.86 and 1,167,161.98
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Solution
The fourth proportional to 1,941,277.90, 2,679,163.86 and 1,167,161.98 is: 1,610,803.99
Step by Step Solution
- Step 1: Write the proportion equation
1,941,277.90 : 2,679,163.86 = 1,167,161.98 : x - Step 2: Convert to fraction form
1,941,277.90/2,679,163.86 = 1,167,161.98/x - Step 3: Cross multiply
1,941,277.90x = 2,679,163.86 × 1,167,161.98 - Step 4: Simplify right side
1,941,277.90x = 3,127,018,195,582.04 - Step 5: Solve for x
x = 3,127,018,195,582.04/1,941,277.90 - Step 6: Final answer
x = 1,610,803.99
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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.