Finding the Fourth Proportional to 2,372,364.81, 3,559,631.61 and 1,291,257.81
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Solution
The fourth proportional to 2,372,364.81, 3,559,631.61 and 1,291,257.81 is: 1,937,476.94
Step by Step Solution
- Step 1: Write the proportion equation
2,372,364.81 : 3,559,631.61 = 1,291,257.81 : x - Step 2: Convert to fraction form
2,372,364.81/3,559,631.61 = 1,291,257.81/x - Step 3: Cross multiply
2,372,364.81x = 3,559,631.61 × 1,291,257.81 - Step 4: Simplify right side
2,372,364.81x = 4,596,402,122,806.31 - Step 5: Solve for x
x = 4,596,402,122,806.31/2,372,364.81 - Step 6: Final answer
x = 1,937,476.94
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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.