Finding the Fourth Proportional to 6,340,402.42, 8,750,580.69 and 3,550,588.21
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Solution
The fourth proportional to 6,340,402.42, 8,750,580.69 and 3,550,588.21 is: 4,900,273.92
Step by Step Solution
- Step 1: Write the proportion equation
6,340,402.42 : 8,750,580.69 = 3,550,588.21 : x - Step 2: Convert to fraction form
6,340,402.42/8,750,580.69 = 3,550,588.21/x - Step 3: Cross multiply
6,340,402.42x = 8,750,580.69 × 3,550,588.21 - Step 4: Simplify right side
6,340,402.42x = 31,069,708,628,567.66 - Step 5: Solve for x
x = 31,069,708,628,567.66/6,340,402.42 - Step 6: Final answer
x = 4,900,273.92
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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.