Finding the Fourth Proportional to 3,575,430.70, 5,363,146.05 and 3,281,497.90
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Solution
The fourth proportional to 3,575,430.70, 5,363,146.05 and 3,281,497.90 is: 4,922,246.85
Step by Step Solution
- Step 1: Write the proportion equation
3,575,430.70 : 5,363,146.05 = 3,281,497.90 : x - Step 2: Convert to fraction form
3,575,430.70/5,363,146.05 = 3,281,497.90/x - Step 3: Cross multiply
3,575,430.70x = 5,363,146.05 × 3,281,497.90 - Step 4: Simplify right side
3,575,430.70x = 17,599,152,500,468.29 - Step 5: Solve for x
x = 17,599,152,500,468.29/3,575,430.70 - Step 6: Final answer
x = 4,922,246.85
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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.