Finding the Fourth Proportional to 2,688,343.40, 4,032,860.70 and 1,341,194.60
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Solution
The fourth proportional to 2,688,343.40, 4,032,860.70 and 1,341,194.60 is: 2,011,964.32
Step by Step Solution
- Step 1: Write the proportion equation
2,688,343.40 : 4,032,860.70 = 1,341,194.60 : x - Step 2: Convert to fraction form
2,688,343.40/4,032,860.70 = 1,341,194.60/x - Step 3: Cross multiply
2,688,343.40x = 4,032,860.70 × 1,341,194.60 - Step 4: Simplify right side
2,688,343.40x = 5,408,850,993,392.22 - Step 5: Solve for x
x = 5,408,850,993,392.22/2,688,343.40 - Step 6: Final answer
x = 2,011,964.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.