Finding the Fourth Proportional to 2,812,869.47, 3,881,679.67 and 1,651,297.06
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Solution
The fourth proportional to 2,812,869.47, 3,881,679.67 and 1,651,297.06 is: 2,278,742.86
Step by Step Solution
- Step 1: Write the proportion equation
2,812,869.47 : 3,881,679.67 = 1,651,297.06 : x - Step 2: Convert to fraction form
2,812,869.47/3,881,679.67 = 1,651,297.06/x - Step 3: Cross multiply
2,812,869.47x = 3,881,679.67 × 1,651,297.06 - Step 4: Simplify right side
2,812,869.47x = 6,409,806,226,932.77 - Step 5: Solve for x
x = 6,409,806,226,932.77/2,812,869.47 - Step 6: Final answer
x = 2,278,742.86
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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.