Finding the Fourth Proportional to 2,742,108.19, 3,784,106.91 and 1,518,413.65
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Solution
The fourth proportional to 2,742,108.19, 3,784,106.91 and 1,518,413.65 is: 2,095,409.51
Step by Step Solution
- Step 1: Write the proportion equation
2,742,108.19 : 3,784,106.91 = 1,518,413.65 : x - Step 2: Convert to fraction form
2,742,108.19/3,784,106.91 = 1,518,413.65/x - Step 3: Cross multiply
2,742,108.19x = 3,784,106.91 × 1,518,413.65 - Step 4: Simplify right side
2,742,108.19x = 5,745,839,585,203.32 - Step 5: Solve for x
x = 5,745,839,585,203.32/2,742,108.19 - Step 6: Final answer
x = 2,095,409.51
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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.