Finding the Fourth Proportional to 5,369,276.40, 7,409,602.64 and 2,954,828.40
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Solution
The fourth proportional to 5,369,276.40, 7,409,602.64 and 2,954,828.40 is: 4,077,663.86
Step by Step Solution
- Step 1: Write the proportion equation
5,369,276.40 : 7,409,602.64 = 2,954,828.40 : x - Step 2: Convert to fraction form
5,369,276.40/7,409,602.64 = 2,954,828.40/x - Step 3: Cross multiply
5,369,276.40x = 7,409,602.64 × 2,954,828.40 - Step 4: Simplify right side
5,369,276.40x = 21,894,104,292,988.04 - Step 5: Solve for x
x = 21,894,104,292,988.04/5,369,276.40 - Step 6: Final answer
x = 4,077,663.86
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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.