Finding the Fourth Proportional to 2,792,235.51, 4,187,854.65 and 742,907.84
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Solution
The fourth proportional to 2,792,235.51, 4,187,854.65 and 742,907.84 is: 1,114,229.09
Step by Step Solution
- Step 1: Write the proportion equation
2,792,235.51 : 4,187,854.65 = 742,907.84 : x - Step 2: Convert to fraction form
2,792,235.51/4,187,854.65 = 742,907.84/x - Step 3: Cross multiply
2,792,235.51x = 4,187,854.65 × 742,907.84 - Step 4: Simplify right side
2,792,235.51x = 3,111,190,031,326.18 - Step 5: Solve for x
x = 3,111,190,031,326.18/2,792,235.51 - Step 6: Final answer
x = 1,114,229.09
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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.