Finding the Fourth Proportional to 1,786,985.26, 2,466,058.71 and 971,188.99
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Solution
The fourth proportional to 1,786,985.26, 2,466,058.71 and 971,188.99 is: 1,340,251.16
Step by Step Solution
- Step 1: Write the proportion equation
1,786,985.26 : 2,466,058.71 = 971,188.99 : x - Step 2: Convert to fraction form
1,786,985.26/2,466,058.71 = 971,188.99/x - Step 3: Cross multiply
1,786,985.26x = 2,466,058.71 × 971,188.99 - Step 4: Simplify right side
1,786,985.26x = 2,395,009,067,845.60 - Step 5: Solve for x
x = 2,395,009,067,845.60/1,786,985.26 - Step 6: Final answer
x = 1,340,251.16
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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.