Finding the Fourth Proportional to 1,207,950.02, 1,811,925.41 and 355,021.81
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Solution
The fourth proportional to 1,207,950.02, 1,811,925.41 and 355,021.81 is: 532,532.83
Step by Step Solution
- Step 1: Write the proportion equation
1,207,950.02 : 1,811,925.41 = 355,021.81 : x - Step 2: Convert to fraction form
1,207,950.02/1,811,925.41 = 355,021.81/x - Step 3: Cross multiply
1,207,950.02x = 1,811,925.41 × 355,021.81 - Step 4: Simplify right side
1,207,950.02x = 643,273,038,643.19 - Step 5: Solve for x
x = 643,273,038,643.19/1,207,950.02 - Step 6: Final answer
x = 532,532.83
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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.