Finding the Fourth Proportional to 3,114,256.40, 4,297,666.92 and 1,756,119.92
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Solution
The fourth proportional to 3,114,256.40, 4,297,666.92 and 1,756,119.92 is: 2,423,441.59
Step by Step Solution
- Step 1: Write the proportion equation
3,114,256.40 : 4,297,666.92 = 1,756,119.92 : x - Step 2: Convert to fraction form
3,114,256.40/4,297,666.92 = 1,756,119.92/x - Step 3: Cross multiply
3,114,256.40x = 4,297,666.92 × 1,756,119.92 - Step 4: Simplify right side
3,114,256.40x = 7,547,218,487,737.05 - Step 5: Solve for x
x = 7,547,218,487,737.05/3,114,256.40 - Step 6: Final answer
x = 2,423,441.59
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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.