Finding the Fourth Proportional to 2,808,508.41, 4,212,937.58 and 1,125,393.21
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Solution
The fourth proportional to 2,808,508.41, 4,212,937.58 and 1,125,393.21 is: 1,688,159.92
Step by Step Solution
- Step 1: Write the proportion equation
2,808,508.41 : 4,212,937.58 = 1,125,393.21 : x - Step 2: Convert to fraction form
2,808,508.41/4,212,937.58 = 1,125,393.21/x - Step 3: Cross multiply
2,808,508.41x = 4,212,937.58 × 1,125,393.21 - Step 4: Simplify right side
2,808,508.41x = 4,741,211,341,058.87 - Step 5: Solve for x
x = 4,741,211,341,058.87/2,808,508.41 - Step 6: Final answer
x = 1,688,159.92
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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.