Finding the Fourth Proportional to 5,331,956.16, 7,358,068.68 and 2,884,559.52
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Solution
The fourth proportional to 5,331,956.16, 7,358,068.68 and 2,884,559.52 is: 3,980,675.46
Step by Step Solution
- Step 1: Write the proportion equation
5,331,956.16 : 7,358,068.68 = 2,884,559.52 : x - Step 2: Convert to fraction form
5,331,956.16/7,358,068.68 = 2,884,559.52/x - Step 3: Cross multiply
5,331,956.16x = 7,358,068.68 × 2,884,559.52 - Step 4: Simplify right side
5,331,956.16x = 21,224,787,059,707.83 - Step 5: Solve for x
x = 21,224,787,059,707.83/5,331,956.16 - Step 6: Final answer
x = 3,980,675.46
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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.