Finding the Fourth Proportional to 5,013,232.76, 6,918,281.99 and 2,838,195.65
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Solution
The fourth proportional to 5,013,232.76, 6,918,281.99 and 2,838,195.65 is: 3,916,721.76
Step by Step Solution
- Step 1: Write the proportion equation
5,013,232.76 : 6,918,281.99 = 2,838,195.65 : x - Step 2: Convert to fraction form
5,013,232.76/6,918,281.99 = 2,838,195.65/x - Step 3: Cross multiply
5,013,232.76x = 6,918,281.99 × 2,838,195.65 - Step 4: Simplify right side
5,013,232.76x = 19,635,437,863,239.30 - Step 5: Solve for x
x = 19,635,437,863,239.30/5,013,232.76 - Step 6: Final answer
x = 3,916,721.76
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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.