Finding the Fourth Proportional to 1,868,234.79, 2,792,115.87 and 1,363,857.87
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Solution
The fourth proportional to 1,868,234.79, 2,792,115.87 and 1,363,857.87 is: 2,038,314.04
Step by Step Solution
- Step 1: Write the proportion equation
1,868,234.79 : 2,792,115.87 = 1,363,857.87 : x - Step 2: Convert to fraction form
1,868,234.79/2,792,115.87 = 1,363,857.87/x - Step 3: Cross multiply
1,868,234.79x = 2,792,115.87 × 1,363,857.87 - Step 4: Simplify right side
1,868,234.79x = 3,808,049,203,251.40 - Step 5: Solve for x
x = 3,808,049,203,251.40/1,868,234.79 - Step 6: Final answer
x = 2,038,314.04
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.