Finding the Fourth Proportional to 1,688,564.64, 2,330,217.84 and 924,633.12
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Solution
The fourth proportional to 1,688,564.64, 2,330,217.84 and 924,633.12 is: 1,275,992.96
Step by Step Solution
- Step 1: Write the proportion equation
1,688,564.64 : 2,330,217.84 = 924,633.12 : x - Step 2: Convert to fraction form
1,688,564.64/2,330,217.84 = 924,633.12/x - Step 3: Cross multiply
1,688,564.64x = 2,330,217.84 × 924,633.12 - Step 4: Simplify right side
1,688,564.64x = 2,154,596,591,678.86 - Step 5: Solve for x
x = 2,154,596,591,678.86/1,688,564.64 - Step 6: Final answer
x = 1,275,992.96
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.