Finding the Fourth Proportional to 3,127,695.25, 4,314,936.72 and 1,903,018.99
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Solution
The fourth proportional to 3,127,695.25, 4,314,936.72 and 1,903,018.99 is: 2,625,385.74
Step by Step Solution
- Step 1: Write the proportion equation
3,127,695.25 : 4,314,936.72 = 1,903,018.99 : x - Step 2: Convert to fraction form
3,127,695.25/4,314,936.72 = 1,903,018.99/x - Step 3: Cross multiply
3,127,695.25x = 4,314,936.72 × 1,903,018.99 - Step 4: Simplify right side
3,127,695.25x = 8,211,406,518,808.31 - Step 5: Solve for x
x = 8,211,406,518,808.31/3,127,695.25 - Step 6: Final answer
x = 2,625,385.74
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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.