Finding the Fourth Proportional to 3,725,448.40, 5,142,024.21 and 2,276,364.07
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Solution
The fourth proportional to 3,725,448.40, 5,142,024.21 and 2,276,364.07 is: 3,141,935.65
Step by Step Solution
- Step 1: Write the proportion equation
3,725,448.40 : 5,142,024.21 = 2,276,364.07 : x - Step 2: Convert to fraction form
3,725,448.40/5,142,024.21 = 2,276,364.07/x - Step 3: Cross multiply
3,725,448.40x = 5,142,024.21 × 2,276,364.07 - Step 4: Simplify right side
3,725,448.40x = 11,705,119,158,714.13 - Step 5: Solve for x
x = 11,705,119,158,714.13/3,725,448.40 - Step 6: Final answer
x = 3,141,935.65
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1.5x scale
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.