Finding the Fourth Proportional to 2,035,813.47, 2,810,513.31 and 1,569,649.21
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Solution
The fourth proportional to 2,035,813.47, 2,810,513.31 and 1,569,649.21 is: 2,166,956.88
Step by Step Solution
- Step 1: Write the proportion equation
2,035,813.47 : 2,810,513.31 = 1,569,649.21 : x - Step 2: Convert to fraction form
2,035,813.47/2,810,513.31 = 1,569,649.21/x - Step 3: Cross multiply
2,035,813.47x = 2,810,513.31 × 1,569,649.21 - Step 4: Simplify right side
2,035,813.47x = 4,411,519,996,735.99 - Step 5: Solve for x
x = 4,411,519,996,735.99/2,035,813.47 - Step 6: Final answer
x = 2,166,956.88
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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.