Finding the Fourth Proportional to 5,549,725.76, 7,658,652.27 and 3,102,439.96
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Solution
The fourth proportional to 5,549,725.76, 7,658,652.27 and 3,102,439.96 is: 4,281,384.32
Step by Step Solution
- Step 1: Write the proportion equation
5,549,725.76 : 7,658,652.27 = 3,102,439.96 : x - Step 2: Convert to fraction form
5,549,725.76/7,658,652.27 = 3,102,439.96/x - Step 3: Cross multiply
5,549,725.76x = 7,658,652.27 × 3,102,439.96 - Step 4: Simplify right side
5,549,725.76x = 23,760,508,842,192.71 - Step 5: Solve for x
x = 23,760,508,842,192.71/5,549,725.76 - Step 6: Final answer
x = 4,281,384.32
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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.