Finding the Fourth Proportional to 5,314,425.03, 7,972,902.63 and 1,720,191.74
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Solution
The fourth proportional to 5,314,425.03, 7,972,902.63 and 1,720,191.74 is: 2,580,697.09
Step by Step Solution
- Step 1: Write the proportion equation
5,314,425.03 : 7,972,902.63 = 1,720,191.74 : x - Step 2: Convert to fraction form
5,314,425.03/7,972,902.63 = 1,720,191.74/x - Step 3: Cross multiply
5,314,425.03x = 7,972,902.63 × 1,720,191.74 - Step 4: Simplify right side
5,314,425.03x = 13,714,921,208,085.76 - Step 5: Solve for x
x = 13,714,921,208,085.76/5,314,425.03 - Step 6: Final answer
x = 2,580,697.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.