Finding the Fourth Proportional to 5,655,227.70, 7,803,981.09 and 3,076,918.74
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Solution
The fourth proportional to 5,655,227.70, 7,803,981.09 and 3,076,918.74 is: 4,246,021.02
Step by Step Solution
- Step 1: Write the proportion equation
5,655,227.70 : 7,803,981.09 = 3,076,918.74 : x - Step 2: Convert to fraction form
5,655,227.70/7,803,981.09 = 3,076,918.74/x - Step 3: Cross multiply
5,655,227.70x = 7,803,981.09 × 3,076,918.74 - Step 4: Simplify right side
5,655,227.70x = 24,012,215,662,426.63 - Step 5: Solve for x
x = 24,012,215,662,426.63/5,655,227.70 - Step 6: Final answer
x = 4,246,021.02
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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.