Finding the Fourth Proportional to 2,866,649.29, 3,955,973.36 and 1,577,489.68
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Solution
The fourth proportional to 2,866,649.29, 3,955,973.36 and 1,577,489.68 is: 2,176,934.29
Step by Step Solution
- Step 1: Write the proportion equation
2,866,649.29 : 3,955,973.36 = 1,577,489.68 : x - Step 2: Convert to fraction form
2,866,649.29/3,955,973.36 = 1,577,489.68/x - Step 3: Cross multiply
2,866,649.29x = 3,955,973.36 × 1,577,489.68 - Step 4: Simplify right side
2,866,649.29x = 6,240,507,142,352.79 - Step 5: Solve for x
x = 6,240,507,142,352.79/2,866,649.29 - Step 6: Final answer
x = 2,176,934.29
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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.