Finding the Fourth Proportional to 1,810,881.36, 2,495,853 and 1,326,417.12
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Solution
The fourth proportional to 1,810,881.36, 2,495,853 and 1,326,417.12 is: 1,828,138.62
Step by Step Solution
- Step 1: Write the proportion equation
1,810,881.36 : 2,495,853 = 1,326,417.12 : x - Step 2: Convert to fraction form
1,810,881.36/2,495,853 = 1,326,417.12/x - Step 3: Cross multiply
1,810,881.36x = 2,495,853 × 1,326,417.12 - Step 4: Simplify right side
1,810,881.36x = 3,310,542,148,203.36 - Step 5: Solve for x
x = 3,310,542,148,203.36/1,810,881.36 - Step 6: Final answer
x = 1,828,138.62
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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.