Finding the Fourth Proportional to 1,830,467.36, 2,526,137.66 and 1,055,810.09
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Solution
The fourth proportional to 1,830,467.36, 2,526,137.66 and 1,055,810.09 is: 1,457,071.39
Step by Step Solution
- Step 1: Write the proportion equation
1,830,467.36 : 2,526,137.66 = 1,055,810.09 : x - Step 2: Convert to fraction form
1,830,467.36/2,526,137.66 = 1,055,810.09/x - Step 3: Cross multiply
1,830,467.36x = 2,526,137.66 × 1,055,810.09 - Step 4: Simplify right side
1,830,467.36x = 2,667,121,620,165.83 - Step 5: Solve for x
x = 2,667,121,620,165.83/1,830,467.36 - Step 6: Final answer
x = 1,457,071.39
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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.