Finding the Fourth Proportional to 3,138,132.30, 4,708,000.35 and 1,008,237.30
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Solution
The fourth proportional to 3,138,132.30, 4,708,000.35 and 1,008,237.30 is: 1,512,613.59
Step by Step Solution
- Step 1: Write the proportion equation
3,138,132.30 : 4,708,000.35 = 1,008,237.30 : x - Step 2: Convert to fraction form
3,138,132.30/4,708,000.35 = 1,008,237.30/x - Step 3: Cross multiply
3,138,132.30x = 4,708,000.35 × 1,008,237.30 - Step 4: Simplify right side
3,138,132.30x = 4,746,781,561,283.06 - Step 5: Solve for x
x = 4,746,781,561,283.06/3,138,132.30 - Step 6: Final answer
x = 1,512,613.59
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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.