Finding the Fourth Proportional to 4,386,282.60, 6,579,423.90 and 4,197,325.80
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Solution
The fourth proportional to 4,386,282.60, 6,579,423.90 and 4,197,325.80 is: 6,295,988.70
Step by Step Solution
- Step 1: Write the proportion equation
4,386,282.60 : 6,579,423.90 = 4,197,325.80 : x - Step 2: Convert to fraction form
4,386,282.60/6,579,423.90 = 4,197,325.80/x - Step 3: Cross multiply
4,386,282.60x = 6,579,423.90 × 4,197,325.80 - Step 4: Simplify right side
4,386,282.60x = 27,615,985,684,606.62 - Step 5: Solve for x
x = 27,615,985,684,606.62/4,386,282.60 - Step 6: Final answer
x = 6,295,988.70
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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.