Finding the Fourth Proportional to 1,772,354.51, 2,445,859.18 and 1,008,408.07
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Solution
The fourth proportional to 1,772,354.51, 2,445,859.18 and 1,008,408.07 is: 1,391,608.80
Step by Step Solution
- Step 1: Write the proportion equation
1,772,354.51 : 2,445,859.18 = 1,008,408.07 : x - Step 2: Convert to fraction form
1,772,354.51/2,445,859.18 = 1,008,408.07/x - Step 3: Cross multiply
1,772,354.51x = 2,445,859.18 × 1,008,408.07 - Step 4: Simplify right side
1,772,354.51x = 2,466,424,122,966.29 - Step 5: Solve for x
x = 2,466,424,122,966.29/1,772,354.51 - Step 6: Final answer
x = 1,391,608.80
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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.