Finding the Fourth Proportional to 1,289,936.26, 1,937,703.75 and 1,090,656.82
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Solution
The fourth proportional to 1,289,936.26, 1,937,703.75 and 1,090,656.82 is: 1,638,352.12
Step by Step Solution
- Step 1: Write the proportion equation
1,289,936.26 : 1,937,703.75 = 1,090,656.82 : x - Step 2: Convert to fraction form
1,289,936.26/1,937,703.75 = 1,090,656.82/x - Step 3: Cross multiply
1,289,936.26x = 1,937,703.75 × 1,090,656.82 - Step 4: Simplify right side
1,289,936.26x = 2,113,369,810,077.08 - Step 5: Solve for x
x = 2,113,369,810,077.08/1,289,936.26 - Step 6: Final answer
x = 1,638,352.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.