Finding the Fourth Proportional to 7,660,490.40, 10,571,390.68 and 4,175,752.84
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Solution
The fourth proportional to 7,660,490.40, 10,571,390.68 and 4,175,752.84 is: 5,762,492.00
Step by Step Solution
- Step 1: Write the proportion equation
7,660,490.40 : 10,571,390.68 = 4,175,752.84 : x - Step 2: Convert to fraction form
7,660,490.40/10,571,390.68 = 4,175,752.84/x - Step 3: Cross multiply
7,660,490.40x = 10,571,390.68 × 4,175,752.84 - Step 4: Simplify right side
7,660,490.40x = 44,143,514,654,759.53 - Step 5: Solve for x
x = 44,143,514,654,759.53/7,660,490.40 - Step 6: Final answer
x = 5,762,492.00
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1.5x scale
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.