Finding the Fourth Proportional to 4,963,696.20, 7,445,544.30 and 1,772,425.80
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Solution
The fourth proportional to 4,963,696.20, 7,445,544.30 and 1,772,425.80 is: 2,658,638.70
Step by Step Solution
- Step 1: Write the proportion equation
4,963,696.20 : 7,445,544.30 = 1,772,425.80 : x - Step 2: Convert to fraction form
4,963,696.20/7,445,544.30 = 1,772,425.80/x - Step 3: Cross multiply
4,963,696.20x = 7,445,544.30 × 1,772,425.80 - Step 4: Simplify right side
4,963,696.20x = 13,196,674,812,362.94 - Step 5: Solve for x
x = 13,196,674,812,362.94/4,963,696.20 - Step 6: Final answer
x = 2,658,638.70
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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.