Finding the Fourth Proportional to 2,430,085.08, 3,353,378.61 and 1,451,128.95
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Solution
The fourth proportional to 2,430,085.08, 3,353,378.61 and 1,451,128.95 is: 2,002,475.07
Step by Step Solution
- Step 1: Write the proportion equation
2,430,085.08 : 3,353,378.61 = 1,451,128.95 : x - Step 2: Convert to fraction form
2,430,085.08/3,353,378.61 = 1,451,128.95/x - Step 3: Cross multiply
2,430,085.08x = 3,353,378.61 × 1,451,128.95 - Step 4: Simplify right side
2,430,085.08x = 4,866,184,781,281.76 - Step 5: Solve for x
x = 4,866,184,781,281.76/2,430,085.08 - Step 6: Final answer
x = 2,002,475.07
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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.