Finding the Fourth Proportional to 2,148,276.99, 2,964,563.13 and 1,181,407.29
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Solution
The fourth proportional to 2,148,276.99, 2,964,563.13 and 1,181,407.29 is: 1,630,309.55
Step by Step Solution
- Step 1: Write the proportion equation
2,148,276.99 : 2,964,563.13 = 1,181,407.29 : x - Step 2: Convert to fraction form
2,148,276.99/2,964,563.13 = 1,181,407.29/x - Step 3: Cross multiply
2,148,276.99x = 2,964,563.13 × 1,181,407.29 - Step 4: Simplify right side
2,148,276.99x = 3,502,356,493,447.22 - Step 5: Solve for x
x = 3,502,356,493,447.22/2,148,276.99 - Step 6: Final answer
x = 1,630,309.55
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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.