Finding the Fourth Proportional to 7,702,340.78, 10,629,562.36 and 4,264,581.74
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Solution
The fourth proportional to 7,702,340.78, 10,629,562.36 and 4,264,581.74 is: 5,885,306.66
Step by Step Solution
- Step 1: Write the proportion equation
7,702,340.78 : 10,629,562.36 = 4,264,581.74 : x - Step 2: Convert to fraction form
7,702,340.78/10,629,562.36 = 4,264,581.74/x - Step 3: Cross multiply
7,702,340.78x = 10,629,562.36 × 4,264,581.74 - Step 4: Simplify right side
7,702,340.78x = 45,330,637,480,838.05 - Step 5: Solve for x
x = 45,330,637,480,838.05/7,702,340.78 - Step 6: Final answer
x = 5,885,306.66
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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.