Finding the Fourth Proportional to 2,976,215.28, 4,107,156.84 and 1,618,088.28
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Solution
The fourth proportional to 2,976,215.28, 4,107,156.84 and 1,618,088.28 is: 2,232,950.82
Step by Step Solution
- Step 1: Write the proportion equation
2,976,215.28 : 4,107,156.84 = 1,618,088.28 : x - Step 2: Convert to fraction form
2,976,215.28/4,107,156.84 = 1,618,088.28/x - Step 3: Cross multiply
2,976,215.28x = 4,107,156.84 × 1,618,088.28 - Step 4: Simplify right side
2,976,215.28x = 6,645,742,346,925.84 - Step 5: Solve for x
x = 6,645,742,346,925.84/2,976,215.28 - Step 6: Final answer
x = 2,232,950.82
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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.