Finding the Fourth Proportional to 1,539,458.31, 2,124,447.13 and 860,394.81
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Solution
The fourth proportional to 1,539,458.31, 2,124,447.13 and 860,394.81 is: 1,187,341.85
Step by Step Solution
- Step 1: Write the proportion equation
1,539,458.31 : 2,124,447.13 = 860,394.81 : x - Step 2: Convert to fraction form
1,539,458.31/2,124,447.13 = 860,394.81/x - Step 3: Cross multiply
1,539,458.31x = 2,124,447.13 × 860,394.81 - Step 4: Simplify right side
1,539,458.31x = 1,827,863,284,771.40 - Step 5: Solve for x
x = 1,827,863,284,771.40/1,539,458.31 - Step 6: Final answer
x = 1,187,341.85
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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.