Finding the Fourth Proportional to 2,829,315.21, 3,904,455.42 and 1,540,165.27
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Solution
The fourth proportional to 2,829,315.21, 3,904,455.42 and 1,540,165.27 is: 2,125,428.31
Step by Step Solution
- Step 1: Write the proportion equation
2,829,315.21 : 3,904,455.42 = 1,540,165.27 : x - Step 2: Convert to fraction form
2,829,315.21/3,904,455.42 = 1,540,165.27/x - Step 3: Cross multiply
2,829,315.21x = 3,904,455.42 × 1,540,165.27 - Step 4: Simplify right side
2,829,315.21x = 6,013,506,636,147.26 - Step 5: Solve for x
x = 6,013,506,636,147.26/2,829,315.21 - Step 6: Final answer
x = 2,125,428.31
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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.