Finding the Fourth Proportional to 2,872,407.35, 3,963,874.79 and 1,583,367.68
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Solution
The fourth proportional to 2,872,407.35, 3,963,874.79 and 1,583,367.68 is: 2,185,021.30
Step by Step Solution
- Step 1: Write the proportion equation
2,872,407.35 : 3,963,874.79 = 1,583,367.68 : x - Step 2: Convert to fraction form
2,872,407.35/3,963,874.79 = 1,583,367.68/x - Step 3: Cross multiply
2,872,407.35x = 3,963,874.79 × 1,583,367.68 - Step 4: Simplify right side
2,872,407.35x = 6,276,271,243,920.89 - Step 5: Solve for x
x = 6,276,271,243,920.89/2,872,407.35 - Step 6: Final answer
x = 2,185,021.30
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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.