Finding the Fourth Proportional to 1,661,562.81, 2,492,122.68 and 463,384.79
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Solution
The fourth proportional to 1,661,562.81, 2,492,122.68 and 463,384.79 is: 695,015.40
Step by Step Solution
- Step 1: Write the proportion equation
1,661,562.81 : 2,492,122.68 = 463,384.79 : x - Step 2: Convert to fraction form
1,661,562.81/2,492,122.68 = 463,384.79/x - Step 3: Cross multiply
1,661,562.81x = 2,492,122.68 × 463,384.79 - Step 4: Simplify right side
1,661,562.81x = 1,154,811,744,726.04 - Step 5: Solve for x
x = 1,154,811,744,726.04/1,661,562.81 - Step 6: Final answer
x = 695,015.40
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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.