Finding the Fourth Proportional to 1,488,394.10, 2,229,781.75 and 879,365.18
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Solution
The fourth proportional to 1,488,394.10, 2,229,781.75 and 879,365.18 is: 1,317,387.94
Step by Step Solution
- Step 1: Write the proportion equation
1,488,394.10 : 2,229,781.75 = 879,365.18 : x - Step 2: Convert to fraction form
1,488,394.10/2,229,781.75 = 879,365.18/x - Step 3: Cross multiply
1,488,394.10x = 2,229,781.75 × 879,365.18 - Step 4: Simplify right side
1,488,394.10x = 1,960,792,433,325.51 - Step 5: Solve for x
x = 1,960,792,433,325.51/1,488,394.10 - Step 6: Final answer
x = 1,317,387.94
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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.