Finding the Fourth Proportional to 1,803,962.24, 2,489,330.88 and 999,128.96
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Solution
The fourth proportional to 1,803,962.24, 2,489,330.88 and 999,128.96 is: 1,378,722.08
Step by Step Solution
- Step 1: Write the proportion equation
1,803,962.24 : 2,489,330.88 = 999,128.96 : x - Step 2: Convert to fraction form
1,803,962.24/2,489,330.88 = 999,128.96/x - Step 3: Cross multiply
1,803,962.24x = 2,489,330.88 × 999,128.96 - Step 4: Simplify right side
1,803,962.24x = 2,487,162,573,230.28 - Step 5: Solve for x
x = 2,487,162,573,230.28/1,803,962.24 - Step 6: Final answer
x = 1,378,722.08
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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.