Finding the Fourth Proportional to 4,272,738.35, 5,896,378.46 and 2,312,616.05
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Solution
The fourth proportional to 4,272,738.35, 5,896,378.46 and 2,312,616.05 is: 3,191,409.90
Step by Step Solution
- Step 1: Write the proportion equation
4,272,738.35 : 5,896,378.46 = 2,312,616.05 : x - Step 2: Convert to fraction form
4,272,738.35/5,896,378.46 = 2,312,616.05/x - Step 3: Cross multiply
4,272,738.35x = 5,896,378.46 × 2,312,616.05 - Step 4: Simplify right side
4,272,738.35x = 13,636,059,483,992.77 - Step 5: Solve for x
x = 13,636,059,483,992.77/4,272,738.35 - Step 6: Final answer
x = 3,191,409.90
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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.