Finding the Fourth Proportional to 3,937,284, 5,435,813.88 and 2,581,518.96
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Solution
The fourth proportional to 3,937,284, 5,435,813.88 and 2,581,518.96 is: 3,564,044.81
Step by Step Solution
- Step 1: Write the proportion equation
3,937,284 : 5,435,813.88 = 2,581,518.96 : x - Step 2: Convert to fraction form
3,937,284/5,435,813.88 = 2,581,518.96/x - Step 3: Cross multiply
3,937,284x = 5,435,813.88 × 2,581,518.96 - Step 4: Simplify right side
3,937,284x = 14,032,656,594,251.16 - Step 5: Solve for x
x = 14,032,656,594,251.16/3,937,284 - Step 6: Final answer
x = 3,564,044.81
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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.