Finding the Fourth Proportional to 1,756,139.54, 2,423,519.80 and 992,176.70
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Solution
The fourth proportional to 1,756,139.54, 2,423,519.80 and 992,176.70 is: 1,369,230.53
Step by Step Solution
- Step 1: Write the proportion equation
1,756,139.54 : 2,423,519.80 = 992,176.70 : x - Step 2: Convert to fraction form
1,756,139.54/2,423,519.80 = 992,176.70/x - Step 3: Cross multiply
1,756,139.54x = 2,423,519.80 × 992,176.70 - Step 4: Simplify right side
1,756,139.54x = 2,404,559,862,950.62 - Step 5: Solve for x
x = 2,404,559,862,950.62/1,756,139.54 - Step 6: Final answer
x = 1,369,230.53
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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.