Finding the Fourth Proportional to 1,577,545.20, 2,366,490.60 and 1,527,778.80
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Solution
The fourth proportional to 1,577,545.20, 2,366,490.60 and 1,527,778.80 is: 2,291,835.55
Step by Step Solution
- Step 1: Write the proportion equation
1,577,545.20 : 2,366,490.60 = 1,527,778.80 : x - Step 2: Convert to fraction form
1,577,545.20/2,366,490.60 = 1,527,778.80/x - Step 3: Cross multiply
1,577,545.20x = 2,366,490.60 × 1,527,778.80 - Step 4: Simplify right side
1,577,545.20x = 3,615,474,169,079.28 - Step 5: Solve for x
x = 3,615,474,169,079.28/1,577,545.20 - Step 6: Final answer
x = 2,291,835.55
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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.