Finding the Fourth Proportional to 2,955,272.81, 4,078,281.85 and 1,666,110.09
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Solution
The fourth proportional to 2,955,272.81, 4,078,281.85 and 1,666,110.09 is: 2,299,234.95
Step by Step Solution
- Step 1: Write the proportion equation
2,955,272.81 : 4,078,281.85 = 1,666,110.09 : x - Step 2: Convert to fraction form
2,955,272.81/4,078,281.85 = 1,666,110.09/x - Step 3: Cross multiply
2,955,272.81x = 4,078,281.85 × 1,666,110.09 - Step 4: Simplify right side
2,955,272.81x = 6,794,866,535,983.59 - Step 5: Solve for x
x = 6,794,866,535,983.59/2,955,272.81 - Step 6: Final answer
x = 2,299,234.95
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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.