Finding the Fourth Proportional to 1,689,395.94, 2,533,557.42 and 551,898.90
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Solution
The fourth proportional to 1,689,395.94, 2,533,557.42 and 551,898.90 is: 827,673.09
Step by Step Solution
- Step 1: Write the proportion equation
1,689,395.94 : 2,533,557.42 = 551,898.90 : x - Step 2: Convert to fraction form
1,689,395.94/2,533,557.42 = 551,898.90/x - Step 3: Cross multiply
1,689,395.94x = 2,533,557.42 × 551,898.90 - Step 4: Simplify right side
1,689,395.94x = 1,398,267,553,184.84 - Step 5: Solve for x
x = 1,398,267,553,184.84/1,689,395.94 - Step 6: Final answer
x = 827,673.09
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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.