Finding the Fourth Proportional to 1,962,812.12, 2,708,279.96 and 1,146,858.08
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Solution
The fourth proportional to 1,962,812.12, 2,708,279.96 and 1,146,858.08 is: 1,582,429.98
Step by Step Solution
- Step 1: Write the proportion equation
1,962,812.12 : 2,708,279.96 = 1,146,858.08 : x - Step 2: Convert to fraction form
1,962,812.12/2,708,279.96 = 1,146,858.08/x - Step 3: Cross multiply
1,962,812.12x = 2,708,279.96 × 1,146,858.08 - Step 4: Simplify right side
1,962,812.12x = 3,106,012,735,752.39 - Step 5: Solve for x
x = 3,106,012,735,752.39/1,962,812.12 - Step 6: Final answer
x = 1,582,429.98
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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.