Finding the Fourth Proportional to 2,442,390.93, 3,370,902.93 and 1,355,012.80
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Solution
The fourth proportional to 2,442,390.93, 3,370,902.93 and 1,355,012.80 is: 1,870,141.49
Step by Step Solution
- Step 1: Write the proportion equation
2,442,390.93 : 3,370,902.93 = 1,355,012.80 : x - Step 2: Convert to fraction form
2,442,390.93/3,370,902.93 = 1,355,012.80/x - Step 3: Cross multiply
2,442,390.93x = 3,370,902.93 × 1,355,012.80 - Step 4: Simplify right side
2,442,390.93x = 4,567,616,609,280.25 - Step 5: Solve for x
x = 4,567,616,609,280.25/2,442,390.93 - Step 6: Final answer
x = 1,870,141.49
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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.