Finding the Fourth Proportional to 1,810,885.11, 2,495,858.18 and 1,326,420.87
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Solution
The fourth proportional to 1,810,885.11, 2,495,858.18 and 1,326,420.87 is: 1,828,143.79
Step by Step Solution
- Step 1: Write the proportion equation
1,810,885.11 : 2,495,858.18 = 1,326,420.87 : x - Step 2: Convert to fraction form
1,810,885.11/2,495,858.18 = 1,326,420.87/x - Step 3: Cross multiply
1,810,885.11x = 2,495,858.18 × 1,326,420.87 - Step 4: Simplify right side
1,810,885.11x = 3,310,558,371,880.11 - Step 5: Solve for x
x = 3,310,558,371,880.11/1,810,885.11 - Step 6: Final answer
x = 1,828,143.79
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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.