Finding the Fourth Proportional to 3,603,988.65, 4,973,506.27 and 1,972,395.05
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Solution
The fourth proportional to 3,603,988.65, 4,973,506.27 and 1,972,395.05 is: 2,721,906.23
Step by Step Solution
- Step 1: Write the proportion equation
3,603,988.65 : 4,973,506.27 = 1,972,395.05 : x - Step 2: Convert to fraction form
3,603,988.65/4,973,506.27 = 1,972,395.05/x - Step 3: Cross multiply
3,603,988.65x = 4,973,506.27 × 1,972,395.05 - Step 4: Simplify right side
3,603,988.65x = 9,809,719,155,594.74 - Step 5: Solve for x
x = 9,809,719,155,594.74/3,603,988.65 - Step 6: Final answer
x = 2,721,906.23
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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.