Finding the Fourth Proportional to 1,488,394.67, 2,229,782.61 and 879,365.75
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Solution
The fourth proportional to 1,488,394.67, 2,229,782.61 and 879,365.75 is: 1,317,388.79
Step by Step Solution
- Step 1: Write the proportion equation
1,488,394.67 : 2,229,782.61 = 879,365.75 : x - Step 2: Convert to fraction form
1,488,394.67/2,229,782.61 = 879,365.75/x - Step 3: Cross multiply
1,488,394.67x = 2,229,782.61 × 879,365.75 - Step 4: Simplify right side
1,488,394.67x = 1,960,794,449,328.32 - Step 5: Solve for x
x = 1,960,794,449,328.32/1,488,394.67 - Step 6: Final answer
x = 1,317,388.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.