Finding the Fourth Proportional to 2,943,505.08, 4,415,257.68 and 921,907.20
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Solution
The fourth proportional to 2,943,505.08, 4,415,257.68 and 921,907.20 is: 1,382,860.82
Step by Step Solution
- Step 1: Write the proportion equation
2,943,505.08 : 4,415,257.68 = 921,907.20 : x - Step 2: Convert to fraction form
2,943,505.08/4,415,257.68 = 921,907.20/x - Step 3: Cross multiply
2,943,505.08x = 4,415,257.68 × 921,907.20 - Step 4: Simplify right side
2,943,505.08x = 4,070,457,845,047.30 - Step 5: Solve for x
x = 4,070,457,845,047.30/2,943,505.08 - Step 6: Final answer
x = 1,382,860.82
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1.5x scale
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.