Finding the Fourth Proportional to 2,107,264.88, 2,908,030.70 and 1,140,402.21
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Solution
The fourth proportional to 2,107,264.88, 2,908,030.70 and 1,140,402.21 is: 1,573,757.84
Step by Step Solution
- Step 1: Write the proportion equation
2,107,264.88 : 2,908,030.70 = 1,140,402.21 : x - Step 2: Convert to fraction form
2,107,264.88/2,908,030.70 = 1,140,402.21/x - Step 3: Cross multiply
2,107,264.88x = 2,908,030.70 × 1,140,402.21 - Step 4: Simplify right side
2,107,264.88x = 3,316,324,628,973.74 - Step 5: Solve for x
x = 3,316,324,628,973.74/2,107,264.88 - Step 6: Final answer
x = 1,573,757.84
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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.