Finding the Fourth Proportional to 2,685,187.68, 3,705,279.75 and 1,523,263.74
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Solution
The fourth proportional to 2,685,187.68, 3,705,279.75 and 1,523,263.74 is: 2,101,945.55
Step by Step Solution
- Step 1: Write the proportion equation
2,685,187.68 : 3,705,279.75 = 1,523,263.74 : x - Step 2: Convert to fraction form
2,685,187.68/3,705,279.75 = 1,523,263.74/x - Step 3: Cross multiply
2,685,187.68x = 3,705,279.75 × 1,523,263.74 - Step 4: Simplify right side
2,685,187.68x = 5,644,118,291,378.15 - Step 5: Solve for x
x = 5,644,118,291,378.15/2,685,187.68 - Step 6: Final answer
x = 2,101,945.55
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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.