Finding the Fourth Proportional to 1,901,541.18, 2,850,525.18 and 638,482.80
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Solution
The fourth proportional to 1,901,541.18, 2,850,525.18 and 638,482.80 is: 957,124.31
Step by Step Solution
- Step 1: Write the proportion equation
1,901,541.18 : 2,850,525.18 = 638,482.80 : x - Step 2: Convert to fraction form
1,901,541.18/2,850,525.18 = 638,482.80/x - Step 3: Cross multiply
1,901,541.18x = 2,850,525.18 × 638,482.80 - Step 4: Simplify right side
1,901,541.18x = 1,820,011,298,396.90 - Step 5: Solve for x
x = 1,820,011,298,396.90/1,901,541.18 - Step 6: Final answer
x = 957,124.31
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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.