Finding the Fourth Proportional to 3,643,823.66, 5,461,386.90 and 1,695,931.07
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Solution
The fourth proportional to 3,643,823.66, 5,461,386.90 and 1,695,931.07 is: 2,541,872.66
Step by Step Solution
- Step 1: Write the proportion equation
3,643,823.66 : 5,461,386.90 = 1,695,931.07 : x - Step 2: Convert to fraction form
3,643,823.66/5,461,386.90 = 1,695,931.07/x - Step 3: Cross multiply
3,643,823.66x = 5,461,386.90 × 1,695,931.07 - Step 4: Simplify right side
3,643,823.66x = 9,262,135,729,000.99 - Step 5: Solve for x
x = 9,262,135,729,000.99/3,643,823.66 - Step 6: Final answer
x = 2,541,872.66
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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.