Finding the Fourth Proportional to 2,140,132.05, 2,953,348.70 and 1,173,270.29
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Solution
The fourth proportional to 2,140,132.05, 2,953,348.70 and 1,173,270.29 is: 1,619,094.61
Step by Step Solution
- Step 1: Write the proportion equation
2,140,132.05 : 2,953,348.70 = 1,173,270.29 : x - Step 2: Convert to fraction form
2,140,132.05/2,953,348.70 = 1,173,270.29/x - Step 3: Cross multiply
2,140,132.05x = 2,953,348.70 × 1,173,270.29 - Step 4: Simplify right side
2,140,132.05x = 3,465,076,265,087.03 - Step 5: Solve for x
x = 3,465,076,265,087.03/2,140,132.05 - Step 6: Final answer
x = 1,619,094.61
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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.