Finding the Fourth Proportional to 2,148,326.96, 2,964,632.00 and 1,181,457.19
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Solution
The fourth proportional to 2,148,326.96, 2,964,632.00 and 1,181,457.19 is: 1,630,378.37
Step by Step Solution
- Step 1: Write the proportion equation
2,148,326.96 : 2,964,632.00 = 1,181,457.19 : x - Step 2: Convert to fraction form
2,148,326.96/2,964,632.00 = 1,181,457.19/x - Step 3: Cross multiply
2,148,326.96x = 2,964,632.00 × 1,181,457.19 - Step 4: Simplify right side
2,148,326.96x = 3,502,585,789,902.58 - Step 5: Solve for x
x = 3,502,585,789,902.58/2,148,326.96 - Step 6: Final answer
x = 1,630,378.37
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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.