Finding the Fourth Proportional to 2,148,276.49, 2,964,562.44 and 1,181,406.79
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Solution
The fourth proportional to 2,148,276.49, 2,964,562.44 and 1,181,406.79 is: 1,630,308.86
Step by Step Solution
- Step 1: Write the proportion equation
2,148,276.49 : 2,964,562.44 = 1,181,406.79 : x - Step 2: Convert to fraction form
2,148,276.49/2,964,562.44 = 1,181,406.79/x - Step 3: Cross multiply
2,148,276.49x = 2,964,562.44 × 1,181,406.79 - Step 4: Simplify right side
2,148,276.49x = 3,502,354,195,994.97 - Step 5: Solve for x
x = 3,502,354,195,994.97/2,148,276.49 - Step 6: Final answer
x = 1,630,308.86
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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.