Finding the Fourth Proportional to 3,924,359.25, 5,414,398.65 and 2,291,588.79
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Solution
The fourth proportional to 3,924,359.25, 5,414,398.65 and 2,291,588.79 is: 3,161,681.81
Step by Step Solution
- Step 1: Write the proportion equation
3,924,359.25 : 5,414,398.65 = 2,291,588.79 : x - Step 2: Convert to fraction form
3,924,359.25/5,414,398.65 = 2,291,588.79/x - Step 3: Cross multiply
3,924,359.25x = 5,414,398.65 × 2,291,588.79 - Step 4: Simplify right side
3,924,359.25x = 12,407,575,250,931.13 - Step 5: Solve for x
x = 12,407,575,250,931.13/3,924,359.25 - Step 6: Final answer
x = 3,161,681.81
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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.