Finding the Fourth Proportional to 5,738,038.53, 7,918,492.41 and 3,159,712.95
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Solution
The fourth proportional to 5,738,038.53, 7,918,492.41 and 3,159,712.95 is: 4,360,403.45
Step by Step Solution
- Step 1: Write the proportion equation
5,738,038.53 : 7,918,492.41 = 3,159,712.95 : x - Step 2: Convert to fraction form
5,738,038.53/7,918,492.41 = 3,159,712.95/x - Step 3: Cross multiply
5,738,038.53x = 7,918,492.41 × 3,159,712.95 - Step 4: Simplify right side
5,738,038.53x = 25,020,163,012,353.71 - Step 5: Solve for x
x = 25,020,163,012,353.71/5,738,038.53 - Step 6: Final answer
x = 4,360,403.45
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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.