Finding the Fourth Proportional to 1,688,806.08, 2,330,559.84 and 924,864.96
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Solution
The fourth proportional to 1,688,806.08, 2,330,559.84 and 924,864.96 is: 1,276,317.72
Step by Step Solution
- Step 1: Write the proportion equation
1,688,806.08 : 2,330,559.84 = 924,864.96 : x - Step 2: Convert to fraction form
1,688,806.08/2,330,559.84 = 924,864.96/x - Step 3: Cross multiply
1,688,806.08x = 2,330,559.84 × 924,864.96 - Step 4: Simplify right side
1,688,806.08x = 2,155,453,133,199.21 - Step 5: Solve for x
x = 2,155,453,133,199.21/1,688,806.08 - Step 6: Final answer
x = 1,276,317.72
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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.