Finding the Fourth Proportional to 2,353,898.40, 3,248,349.12 and 1,387,069.44
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Solution
The fourth proportional to 2,353,898.40, 3,248,349.12 and 1,387,069.44 is: 1,914,137.75
Step by Step Solution
- Step 1: Write the proportion equation
2,353,898.40 : 3,248,349.12 = 1,387,069.44 : x - Step 2: Convert to fraction form
2,353,898.40/3,248,349.12 = 1,387,069.44/x - Step 3: Cross multiply
2,353,898.40x = 3,248,349.12 × 1,387,069.44 - Step 4: Simplify right side
2,353,898.40x = 4,505,685,794,802.89 - Step 5: Solve for x
x = 4,505,685,794,802.89/2,353,898.40 - Step 6: Final answer
x = 1,914,137.75
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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.