Finding the Fourth Proportional to 1,615,367.80, 2,423,030.10 and 493,442.20
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Solution
The fourth proportional to 1,615,367.80, 2,423,030.10 and 493,442.20 is: 740,156.70
Step by Step Solution
- Step 1: Write the proportion equation
1,615,367.80 : 2,423,030.10 = 493,442.20 : x - Step 2: Convert to fraction form
1,615,367.80/2,423,030.10 = 493,442.20/x - Step 3: Cross multiply
1,615,367.80x = 2,423,030.10 × 493,442.20 - Step 4: Simplify right side
1,615,367.80x = 1,195,625,303,210.22 - Step 5: Solve for x
x = 1,195,625,303,210.22/1,615,367.80 - Step 6: Final answer
x = 740,156.70
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1.5x scale
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.