Finding the Fourth Proportional to 1,888,454.80, 2,605,986.10 and 1,072,655.93
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Solution
The fourth proportional to 1,888,454.80, 2,605,986.10 and 1,072,655.93 is: 1,480,218.88
Step by Step Solution
- Step 1: Write the proportion equation
1,888,454.80 : 2,605,986.10 = 1,072,655.93 : x - Step 2: Convert to fraction form
1,888,454.80/2,605,986.10 = 1,072,655.93/x - Step 3: Cross multiply
1,888,454.80x = 2,605,986.10 × 1,072,655.93 - Step 4: Simplify right side
1,888,454.80x = 2,795,326,443,662.57 - Step 5: Solve for x
x = 2,795,326,443,662.57/1,888,454.80 - Step 6: Final answer
x = 1,480,218.88
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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.