Finding the Fourth Proportional to 1,599,991.20, 2,402,751.60 and 853,495.20
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Solution
The fourth proportional to 1,599,991.20, 2,402,751.60 and 853,495.20 is: 1,281,717.65
Step by Step Solution
- Step 1: Write the proportion equation
1,599,991.20 : 2,402,751.60 = 853,495.20 : x - Step 2: Convert to fraction form
1,599,991.20/2,402,751.60 = 853,495.20/x - Step 3: Cross multiply
1,599,991.20x = 2,402,751.60 × 853,495.20 - Step 4: Simplify right side
1,599,991.20x = 2,050,736,957,392.32 - Step 5: Solve for x
x = 2,050,736,957,392.32/1,599,991.20 - Step 6: Final answer
x = 1,281,717.65
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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.