Finding the Fourth Proportional to 8,185,154.79, 12,275,637.22 and 2,426,541.81
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Solution
The fourth proportional to 8,185,154.79, 12,275,637.22 and 2,426,541.81 is: 3,639,191.65
Step by Step Solution
- Step 1: Write the proportion equation
8,185,154.79 : 12,275,637.22 = 2,426,541.81 : x - Step 2: Convert to fraction form
8,185,154.79/12,275,637.22 = 2,426,541.81/x - Step 3: Cross multiply
8,185,154.79x = 12,275,637.22 × 2,426,541.81 - Step 4: Simplify right side
8,185,154.79x = 29,787,346,958,722.17 - Step 5: Solve for x
x = 29,787,346,958,722.17/8,185,154.79 - Step 6: Final answer
x = 3,639,191.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.