Finding the Fourth Proportional to 1,688,586.60, 2,330,245.62 and 924,633.48
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Solution
The fourth proportional to 1,688,586.60, 2,330,245.62 and 924,633.48 is: 1,275,992.07
Step by Step Solution
- Step 1: Write the proportion equation
1,688,586.60 : 2,330,245.62 = 924,633.48 : x - Step 2: Convert to fraction form
1,688,586.60/2,330,245.62 = 924,633.48/x - Step 3: Cross multiply
1,688,586.60x = 2,330,245.62 × 924,633.48 - Step 4: Simplify right side
1,688,586.60x = 2,154,623,116,875.36 - Step 5: Solve for x
x = 2,154,623,116,875.36/1,688,586.60 - Step 6: Final answer
x = 1,275,992.07
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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.