Finding the Fourth Proportional to 3,519,118.40, 5,281,331.36 and 2,574,925.12
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Solution
The fourth proportional to 3,519,118.40, 5,281,331.36 and 2,574,925.12 is: 3,864,329.43
Step by Step Solution
- Step 1: Write the proportion equation
3,519,118.40 : 5,281,331.36 = 2,574,925.12 : x - Step 2: Convert to fraction form
3,519,118.40/5,281,331.36 = 2,574,925.12/x - Step 3: Cross multiply
3,519,118.40x = 5,281,331.36 × 2,574,925.12 - Step 4: Simplify right side
3,519,118.40x = 13,599,032,785,907.77 - Step 5: Solve for x
x = 13,599,032,785,907.77/3,519,118.40 - Step 6: Final answer
x = 3,864,329.43
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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.