Finding the Fourth Proportional to 2,124,384.84, 2,931,614.10 and 1,157,523.12
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Solution
The fourth proportional to 2,124,384.84, 2,931,614.10 and 1,157,523.12 is: 1,597,361.76
Step by Step Solution
- Step 1: Write the proportion equation
2,124,384.84 : 2,931,614.10 = 1,157,523.12 : x - Step 2: Convert to fraction form
2,124,384.84/2,931,614.10 = 1,157,523.12/x - Step 3: Cross multiply
2,124,384.84x = 2,931,614.10 × 1,157,523.12 - Step 4: Simplify right side
2,124,384.84x = 3,393,411,099,667.99 - Step 5: Solve for x
x = 3,393,411,099,667.99/2,124,384.84 - Step 6: Final answer
x = 1,597,361.76
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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.