Finding the Fourth Proportional to 4,430,805.71, 6,115,000.77 and 2,570,630.99
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Solution
The fourth proportional to 4,430,805.71, 6,115,000.77 and 2,570,630.99 is: 3,547,754.40
Step by Step Solution
- Step 1: Write the proportion equation
4,430,805.71 : 6,115,000.77 = 2,570,630.99 : x - Step 2: Convert to fraction form
4,430,805.71/6,115,000.77 = 2,570,630.99/x - Step 3: Cross multiply
4,430,805.71x = 6,115,000.77 × 2,570,630.99 - Step 4: Simplify right side
4,430,805.71x = 15,719,410,452,660.86 - Step 5: Solve for x
x = 15,719,410,452,660.86/4,430,805.71 - Step 6: Final answer
x = 3,547,754.40
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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.