Finding the Fourth Proportional to 2,853,614.24, 3,937,986.60 and 1,564,426.96
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Solution
The fourth proportional to 2,853,614.24, 3,937,986.60 and 1,564,426.96 is: 2,158,908.63
Step by Step Solution
- Step 1: Write the proportion equation
2,853,614.24 : 3,937,986.60 = 1,564,426.96 : x - Step 2: Convert to fraction form
2,853,614.24/3,937,986.60 = 1,564,426.96/x - Step 3: Cross multiply
2,853,614.24x = 3,937,986.60 × 1,564,426.96 - Step 4: Simplify right side
2,853,614.24x = 6,160,692,405,158.74 - Step 5: Solve for x
x = 6,160,692,405,158.74/2,853,614.24 - Step 6: Final answer
x = 2,158,908.63
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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.