Finding the Fourth Proportional to 6,490,170.74, 9,735,272.76 and 2,651,993.30
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Solution
The fourth proportional to 6,490,170.74, 9,735,272.76 and 2,651,993.30 is: 3,977,996.75
Step by Step Solution
- Step 1: Write the proportion equation
6,490,170.74 : 9,735,272.76 = 2,651,993.30 : x - Step 2: Convert to fraction form
6,490,170.74/9,735,272.76 = 2,651,993.30/x - Step 3: Cross multiply
6,490,170.74x = 9,735,272.76 × 2,651,993.30 - Step 4: Simplify right side
6,490,170.74x = 25,817,878,133,192.50 - Step 5: Solve for x
x = 25,817,878,133,192.50/6,490,170.74 - Step 6: Final answer
x = 3,977,996.75
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1.5x scale
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.