Finding the Fourth Proportional to 5,012,483.77, 6,917,351.53 and 2,720,638.99
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Solution
The fourth proportional to 5,012,483.77, 6,917,351.53 and 2,720,638.99 is: 3,754,549.07
Step by Step Solution
- Step 1: Write the proportion equation
5,012,483.77 : 6,917,351.53 = 2,720,638.99 : x - Step 2: Convert to fraction form
5,012,483.77/6,917,351.53 = 2,720,638.99/x - Step 3: Cross multiply
5,012,483.77x = 6,917,351.53 × 2,720,638.99 - Step 4: Simplify right side
5,012,483.77x = 18,819,616,240,438.55 - Step 5: Solve for x
x = 18,819,616,240,438.55/5,012,483.77 - Step 6: Final answer
x = 3,754,549.07
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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.