Finding the Fourth Proportional to 2,808,948.75, 3,875,246.36 and 1,631,347.17
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Solution
The fourth proportional to 2,808,948.75, 3,875,246.36 and 1,631,347.17 is: 2,250,618.55
Step by Step Solution
- Step 1: Write the proportion equation
2,808,948.75 : 3,875,246.36 = 1,631,347.17 : x - Step 2: Convert to fraction form
2,808,948.75/3,875,246.36 = 1,631,347.17/x - Step 3: Cross multiply
2,808,948.75x = 3,875,246.36 × 1,631,347.17 - Step 4: Simplify right side
2,808,948.75x = 6,321,872,154,905.83 - Step 5: Solve for x
x = 6,321,872,154,905.83/2,808,948.75 - Step 6: Final answer
x = 2,250,618.55
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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.