Finding the Fourth Proportional to 5,781,028.55, 8,668,705.26 and 2,859,746.18
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Solution
The fourth proportional to 5,781,028.55, 8,668,705.26 and 2,859,746.18 is: 4,288,215.59
Step by Step Solution
- Step 1: Write the proportion equation
5,781,028.55 : 8,668,705.26 = 2,859,746.18 : x - Step 2: Convert to fraction form
5,781,028.55/8,668,705.26 = 2,859,746.18/x - Step 3: Cross multiply
5,781,028.55x = 8,668,705.26 × 2,859,746.18 - Step 4: Simplify right side
5,781,028.55x = 24,790,296,709,487.38 - Step 5: Solve for x
x = 24,790,296,709,487.38/5,781,028.55 - Step 6: Final answer
x = 4,288,215.59
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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.