Finding the Fourth Proportional to 1,615,730.14, 2,229,722.45 and 890,605.68
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Solution
The fourth proportional to 1,615,730.14, 2,229,722.45 and 890,605.68 is: 1,229,044.03
Step by Step Solution
- Step 1: Write the proportion equation
1,615,730.14 : 2,229,722.45 = 890,605.68 : x - Step 2: Convert to fraction form
1,615,730.14/2,229,722.45 = 890,605.68/x - Step 3: Cross multiply
1,615,730.14x = 2,229,722.45 × 890,605.68 - Step 4: Simplify right side
1,615,730.14x = 1,985,803,478,793.52 - Step 5: Solve for x
x = 1,985,803,478,793.52/1,615,730.14 - Step 6: Final answer
x = 1,229,044.03
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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.