Finding the Fourth Proportional to 2,837,644.20, 3,916,032.21 and 1,548,567.81
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Solution
The fourth proportional to 2,837,644.20, 3,916,032.21 and 1,548,567.81 is: 2,137,068.99
Step by Step Solution
- Step 1: Write the proportion equation
2,837,644.20 : 3,916,032.21 = 1,548,567.81 : x - Step 2: Convert to fraction form
2,837,644.20/3,916,032.21 = 1,548,567.81/x - Step 3: Cross multiply
2,837,644.20x = 3,916,032.21 × 1,548,567.81 - Step 4: Simplify right side
2,837,644.20x = 6,064,241,423,329.16 - Step 5: Solve for x
x = 6,064,241,423,329.16/2,837,644.20 - Step 6: Final answer
x = 2,137,068.99
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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.