Finding the Fourth Proportional to 3,069,102.79, 4,235,743.70 and 1,762,763.95
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Solution
The fourth proportional to 3,069,102.79, 4,235,743.70 and 1,762,763.95 is: 2,432,833.57
Step by Step Solution
- Step 1: Write the proportion equation
3,069,102.79 : 4,235,743.70 = 1,762,763.95 : x - Step 2: Convert to fraction form
3,069,102.79/4,235,743.70 = 1,762,763.95/x - Step 3: Cross multiply
3,069,102.79x = 4,235,743.70 × 1,762,763.95 - Step 4: Simplify right side
3,069,102.79x = 7,466,616,280,803.35 - Step 5: Solve for x
x = 7,466,616,280,803.35/3,069,102.79 - Step 6: Final answer
x = 2,432,833.57
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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.