Finding the Fourth Proportional to 2,590,353.95, 3,886,841.08 and 1,726,378.43
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Solution
The fourth proportional to 2,590,353.95, 3,886,841.08 and 1,726,378.43 is: 2,590,440.81
Step by Step Solution
- Step 1: Write the proportion equation
2,590,353.95 : 3,886,841.08 = 1,726,378.43 : x - Step 2: Convert to fraction form
2,590,353.95/3,886,841.08 = 1,726,378.43/x - Step 3: Cross multiply
2,590,353.95x = 3,886,841.08 × 1,726,378.43 - Step 4: Simplify right side
2,590,353.95x = 6,710,158,587,111.72 - Step 5: Solve for x
x = 6,710,158,587,111.72/2,590,353.95 - Step 6: Final answer
x = 2,590,440.81
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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.