Finding the Fourth Proportional to 2,137,740.01, 2,950,138.59 and 1,207,373.12
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Solution
The fourth proportional to 2,137,740.01, 2,950,138.59 and 1,207,373.12 is: 1,666,207.31
Step by Step Solution
- Step 1: Write the proportion equation
2,137,740.01 : 2,950,138.59 = 1,207,373.12 : x - Step 2: Convert to fraction form
2,137,740.01/2,950,138.59 = 1,207,373.12/x - Step 3: Cross multiply
2,137,740.01x = 2,950,138.59 × 1,207,373.12 - Step 4: Simplify right side
2,137,740.01x = 3,561,918,033,840.70 - Step 5: Solve for x
x = 3,561,918,033,840.70/2,137,740.01 - Step 6: Final answer
x = 1,666,207.31
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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.