Finding the Fourth Proportional to 5,320,194.95, 7,981,413.42 and 1,725,681.65
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Solution
The fourth proportional to 5,320,194.95, 7,981,413.42 and 1,725,681.65 is: 2,588,886.09
Step by Step Solution
- Step 1: Write the proportion equation
5,320,194.95 : 7,981,413.42 = 1,725,681.65 : x - Step 2: Convert to fraction form
5,320,194.95/7,981,413.42 = 1,725,681.65/x - Step 3: Cross multiply
5,320,194.95x = 7,981,413.42 × 1,725,681.65 - Step 4: Simplify right side
5,320,194.95x = 13,773,378,679,957.74 - Step 5: Solve for x
x = 13,773,378,679,957.74/5,320,194.95 - Step 6: Final answer
x = 2,588,886.09
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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.