Finding the Fourth Proportional to 3,603,521.47, 4,972,860.11 and 1,971,929.19
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Solution
The fourth proportional to 3,603,521.47, 4,972,860.11 and 1,971,929.19 is: 2,721,262.55
Step by Step Solution
- Step 1: Write the proportion equation
3,603,521.47 : 4,972,860.11 = 1,971,929.19 : x - Step 2: Convert to fraction form
3,603,521.47/4,972,860.11 = 1,971,929.19/x - Step 3: Cross multiply
3,603,521.47x = 4,972,860.11 × 1,971,929.19 - Step 4: Simplify right side
3,603,521.47x = 9,806,128,008,695.61 - Step 5: Solve for x
x = 9,806,128,008,695.61/3,603,521.47 - Step 6: Final answer
x = 2,721,262.55
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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.