Finding the Fourth Proportional to 2,184,970.60, 3,278,630.94 and 2,105,440.84
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Solution
The fourth proportional to 2,184,970.60, 3,278,630.94 and 2,105,440.84 is: 3,159,293.53
Step by Step Solution
- Step 1: Write the proportion equation
2,184,970.60 : 3,278,630.94 = 2,105,440.84 : x - Step 2: Convert to fraction form
2,184,970.60/3,278,630.94 = 2,105,440.84/x - Step 3: Cross multiply
2,184,970.60x = 3,278,630.94 × 2,105,440.84 - Step 4: Simplify right side
2,184,970.60x = 6,902,963,480,363.59 - Step 5: Solve for x
x = 6,902,963,480,363.59/2,184,970.60 - Step 6: Final answer
x = 3,159,293.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.