Finding the Fourth Proportional to 2,356,625.60, 3,252,512.64 and 1,389,862.16
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Solution
The fourth proportional to 2,356,625.60, 3,252,512.64 and 1,389,862.16 is: 1,918,227.59
Step by Step Solution
- Step 1: Write the proportion equation
2,356,625.60 : 3,252,512.64 = 1,389,862.16 : x - Step 2: Convert to fraction form
2,356,625.60/3,252,512.64 = 1,389,862.16/x - Step 3: Cross multiply
2,356,625.60x = 3,252,512.64 × 1,389,862.16 - Step 4: Simplify right side
2,356,625.60x = 4,520,544,243,257.70 - Step 5: Solve for x
x = 4,520,544,243,257.70/2,356,625.60 - Step 6: Final answer
x = 1,918,227.59
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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.