Finding the Fourth Proportional to 6,113,400.12, 8,436,579.84 and 3,360,342.42
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Solution
The fourth proportional to 6,113,400.12, 8,436,579.84 and 3,360,342.42 is: 4,637,320.73
Step by Step Solution
- Step 1: Write the proportion equation
6,113,400.12 : 8,436,579.84 = 3,360,342.42 : x - Step 2: Convert to fraction form
6,113,400.12/8,436,579.84 = 3,360,342.42/x - Step 3: Cross multiply
6,113,400.12x = 8,436,579.84 × 3,360,342.42 - Step 4: Simplify right side
6,113,400.12x = 28,349,797,116,068.81 - Step 5: Solve for x
x = 28,349,797,116,068.81/6,113,400.12 - Step 6: Final answer
x = 4,637,320.73
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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.