Finding the Fourth Proportional to 1,378,848.02, 2,068,272.63 and 432,292.55
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Solution
The fourth proportional to 1,378,848.02, 2,068,272.63 and 432,292.55 is: 648,439.01
Step by Step Solution
- Step 1: Write the proportion equation
1,378,848.02 : 2,068,272.63 = 432,292.55 : x - Step 2: Convert to fraction form
1,378,848.02/2,068,272.63 = 432,292.55/x - Step 3: Cross multiply
1,378,848.02x = 2,068,272.63 × 432,292.55 - Step 4: Simplify right side
1,378,848.02x = 894,098,838,976.54 - Step 5: Solve for x
x = 894,098,838,976.54/1,378,848.02 - Step 6: Final answer
x = 648,439.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.