Finding the Fourth Proportional to 5,702,189.47, 8,554,560.77 and 1,915,569.07
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Solution
The fourth proportional to 5,702,189.47, 8,554,560.77 and 1,915,569.07 is: 2,873,782.45
Step by Step Solution
- Step 1: Write the proportion equation
5,702,189.47 : 8,554,560.77 = 1,915,569.07 : x - Step 2: Convert to fraction form
5,702,189.47/8,554,560.77 = 1,915,569.07/x - Step 3: Cross multiply
5,702,189.47x = 8,554,560.77 × 1,915,569.07 - Step 4: Simplify right side
5,702,189.47x = 16,386,852,018,447.38 - Step 5: Solve for x
x = 16,386,852,018,447.38/5,702,189.47 - Step 6: Final answer
x = 2,873,782.45
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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.