Finding the Fourth Proportional to 1,580,387.94, 2,180,935.26 and 855,235.62
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Solution
The fourth proportional to 1,580,387.94, 2,180,935.26 and 855,235.62 is: 1,180,225.10
Step by Step Solution
- Step 1: Write the proportion equation
1,580,387.94 : 2,180,935.26 = 855,235.62 : x - Step 2: Convert to fraction form
1,580,387.94/2,180,935.26 = 855,235.62/x - Step 3: Cross multiply
1,580,387.94x = 2,180,935.26 × 855,235.62 - Step 4: Simplify right side
1,580,387.94x = 1,865,213,519,265.96 - Step 5: Solve for x
x = 1,865,213,519,265.96/1,580,387.94 - Step 6: Final answer
x = 1,180,225.10
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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.