Finding the Fourth Proportional to 1,688,228.92, 2,329,762.70 and 924,353.56
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Solution
The fourth proportional to 1,688,228.92, 2,329,762.70 and 924,353.56 is: 1,275,611.63
Step by Step Solution
- Step 1: Write the proportion equation
1,688,228.92 : 2,329,762.70 = 924,353.56 : x - Step 2: Convert to fraction form
1,688,228.92/2,329,762.70 = 924,353.56/x - Step 3: Cross multiply
1,688,228.92x = 2,329,762.70 × 924,353.56 - Step 4: Simplify right side
1,688,228.92x = 2,153,524,445,700.21 - Step 5: Solve for x
x = 2,153,524,445,700.21/1,688,228.92 - Step 6: Final answer
x = 1,275,611.63
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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.