Finding the Fourth Proportional to 5,018,866.63, 7,528,285.15 and 1,424,636.62
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Solution
The fourth proportional to 5,018,866.63, 7,528,285.15 and 1,424,636.62 is: 2,136,950.73
Step by Step Solution
- Step 1: Write the proportion equation
5,018,866.63 : 7,528,285.15 = 1,424,636.62 : x - Step 2: Convert to fraction form
5,018,866.63/7,528,285.15 = 1,424,636.62/x - Step 3: Cross multiply
5,018,866.63x = 7,528,285.15 × 1,424,636.62 - Step 4: Simplify right side
5,018,866.63x = 10,725,070,710,492.20 - Step 5: Solve for x
x = 10,725,070,710,492.20/5,018,866.63 - Step 6: Final answer
x = 2,136,950.73
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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.