Finding the Fourth Proportional to 5,519,130.13, 7,616,650.48 and 3,071,897.99
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Solution
The fourth proportional to 5,519,130.13, 7,616,650.48 and 3,071,897.99 is: 4,239,358.87
Step by Step Solution
- Step 1: Write the proportion equation
5,519,130.13 : 7,616,650.48 = 3,071,897.99 : x - Step 2: Convert to fraction form
5,519,130.13/7,616,650.48 = 3,071,897.99/x - Step 3: Cross multiply
5,519,130.13x = 7,616,650.48 × 3,071,897.99 - Step 4: Simplify right side
5,519,130.13x = 23,397,573,254,281.54 - Step 5: Solve for x
x = 23,397,573,254,281.54/5,519,130.13 - Step 6: Final answer
x = 4,239,358.87
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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.