Finding the Fourth Proportional to 4,242,411.94, 6,363,650.19 and 1,209,775.21
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Solution
The fourth proportional to 4,242,411.94, 6,363,650.19 and 1,209,775.21 is: 1,814,672.02
Step by Step Solution
- Step 1: Write the proportion equation
4,242,411.94 : 6,363,650.19 = 1,209,775.21 : x - Step 2: Convert to fraction form
4,242,411.94/6,363,650.19 = 1,209,775.21/x - Step 3: Cross multiply
4,242,411.94x = 6,363,650.19 × 1,209,775.21 - Step 4: Simplify right side
4,242,411.94x = 7,698,586,244,973.79 - Step 5: Solve for x
x = 7,698,586,244,973.79/4,242,411.94 - Step 6: Final answer
x = 1,814,672.02
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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.