Finding the Fourth Proportional to 2,119,069.31, 2,924,348.46 and 1,152,202.08
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Solution
The fourth proportional to 2,119,069.31, 2,924,348.46 and 1,152,202.08 is: 1,590,056.71
Step by Step Solution
- Step 1: Write the proportion equation
2,119,069.31 : 2,924,348.46 = 1,152,202.08 : x - Step 2: Convert to fraction form
2,119,069.31/2,924,348.46 = 1,152,202.08/x - Step 3: Cross multiply
2,119,069.31x = 2,924,348.46 × 1,152,202.08 - Step 4: Simplify right side
2,119,069.31x = 3,369,440,378,256.80 - Step 5: Solve for x
x = 3,369,440,378,256.80/2,119,069.31 - Step 6: Final answer
x = 1,590,056.71
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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.