Finding the Fourth Proportional to 2,724,364.60, 4,087,421.70 and 1,207,461.40
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Solution
The fourth proportional to 2,724,364.60, 4,087,421.70 and 1,207,461.40 is: 1,811,579.82
Step by Step Solution
- Step 1: Write the proportion equation
2,724,364.60 : 4,087,421.70 = 1,207,461.40 : x - Step 2: Convert to fraction form
2,724,364.60/4,087,421.70 = 1,207,461.40/x - Step 3: Cross multiply
2,724,364.60x = 4,087,421.70 × 1,207,461.40 - Step 4: Simplify right side
2,724,364.60x = 4,935,403,928,272.38 - Step 5: Solve for x
x = 4,935,403,928,272.38/2,724,364.60 - Step 6: Final answer
x = 1,811,579.82
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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.