Finding the Fourth Proportional to 2,148,004.08, 2,964,294.36 and 1,181,188.08
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Solution
The fourth proportional to 2,148,004.08, 2,964,294.36 and 1,181,188.08 is: 1,630,066.35
Step by Step Solution
- Step 1: Write the proportion equation
2,148,004.08 : 2,964,294.36 = 1,181,188.08 : x - Step 2: Convert to fraction form
2,148,004.08/2,964,294.36 = 1,181,188.08/x - Step 3: Cross multiply
2,148,004.08x = 2,964,294.36 × 1,181,188.08 - Step 4: Simplify right side
2,148,004.08x = 3,501,389,163,643.23 - Step 5: Solve for x
x = 3,501,389,163,643.23/2,148,004.08 - Step 6: Final answer
x = 1,630,066.35
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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.