Finding the Fourth Proportional to 1,812,392, 2,498,457.12 and 1,266,828.80
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Solution
The fourth proportional to 1,812,392, 2,498,457.12 and 1,266,828.80 is: 1,746,375.75
Step by Step Solution
- Step 1: Write the proportion equation
1,812,392 : 2,498,457.12 = 1,266,828.80 : x - Step 2: Convert to fraction form
1,812,392/2,498,457.12 = 1,266,828.80/x - Step 3: Cross multiply
1,812,392x = 2,498,457.12 × 1,266,828.80 - Step 4: Simplify right side
1,812,392x = 3,165,117,435,181.06 - Step 5: Solve for x
x = 3,165,117,435,181.06/1,812,392 - Step 6: Final answer
x = 1,746,375.75
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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.