Finding the Fourth Proportional to 2,107,878.18, 2,908,869.47 and 1,141,008.21
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Solution
The fourth proportional to 2,107,878.18, 2,908,869.47 and 1,141,008.21 is: 1,574,590.02
Step by Step Solution
- Step 1: Write the proportion equation
2,107,878.18 : 2,908,869.47 = 1,141,008.21 : x - Step 2: Convert to fraction form
2,107,878.18/2,908,869.47 = 1,141,008.21/x - Step 3: Cross multiply
2,107,878.18x = 2,908,869.47 × 1,141,008.21 - Step 4: Simplify right side
2,107,878.18x = 3,319,043,941,383.31 - Step 5: Solve for x
x = 3,319,043,941,383.31/2,107,878.18 - Step 6: Final answer
x = 1,574,590.02
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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.