Finding the Fourth Proportional to 2,772,058.70, 4,158,088.05 and 1,353,025.10
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Solution
The fourth proportional to 2,772,058.70, 4,158,088.05 and 1,353,025.10 is: 2,029,537.65
Step by Step Solution
- Step 1: Write the proportion equation
2,772,058.70 : 4,158,088.05 = 1,353,025.10 : x - Step 2: Convert to fraction form
2,772,058.70/4,158,088.05 = 1,353,025.10/x - Step 3: Cross multiply
2,772,058.70x = 4,158,088.05 × 1,353,025.10 - Step 4: Simplify right side
2,772,058.70x = 5,625,997,499,660.06 - Step 5: Solve for x
x = 5,625,997,499,660.06/2,772,058.70 - Step 6: Final answer
x = 2,029,537.65
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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.