Finding the Fourth Proportional to 2,690,920.18, 4,031,812.68 and 1,623,719.80
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Solution
The fourth proportional to 2,690,920.18, 4,031,812.68 and 1,623,719.80 is: 2,432,823.58
Step by Step Solution
- Step 1: Write the proportion equation
2,690,920.18 : 4,031,812.68 = 1,623,719.80 : x - Step 2: Convert to fraction form
2,690,920.18/4,031,812.68 = 1,623,719.80/x - Step 3: Cross multiply
2,690,920.18x = 4,031,812.68 × 1,623,719.80 - Step 4: Simplify right side
2,690,920.18x = 6,546,534,078,407.07 - Step 5: Solve for x
x = 6,546,534,078,407.07/2,690,920.18 - Step 6: Final answer
x = 2,432,823.58
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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.