Finding the Fourth Proportional to 2,782,371.06, 4,174,607.70 and 1,076,616.97
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Solution
The fourth proportional to 2,782,371.06, 4,174,607.70 and 1,076,616.97 is: 1,615,332.17
Step by Step Solution
- Step 1: Write the proportion equation
2,782,371.06 : 4,174,607.70 = 1,076,616.97 : x - Step 2: Convert to fraction form
2,782,371.06/4,174,607.70 = 1,076,616.97/x - Step 3: Cross multiply
2,782,371.06x = 4,174,607.70 × 1,076,616.97 - Step 4: Simplify right side
2,782,371.06x = 4,494,453,482,476.15 - Step 5: Solve for x
x = 4,494,453,482,476.15/2,782,371.06 - Step 6: Final answer
x = 1,615,332.17
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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.