Finding the Fourth Proportional to 2,901,831.36, 4,003,283.80 and 1,812,211.24
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Solution
The fourth proportional to 2,901,831.36, 4,003,283.80 and 1,812,211.24 is: 2,500,074.95
Step by Step Solution
- Step 1: Write the proportion equation
2,901,831.36 : 4,003,283.80 = 1,812,211.24 : x - Step 2: Convert to fraction form
2,901,831.36/4,003,283.80 = 1,812,211.24/x - Step 3: Cross multiply
2,901,831.36x = 4,003,283.80 × 1,812,211.24 - Step 4: Simplify right side
2,901,831.36x = 7,254,795,899,269.91 - Step 5: Solve for x
x = 7,254,795,899,269.91/2,901,831.36 - Step 6: Final answer
x = 2,500,074.95
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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.