Finding the Fourth Proportional to 7,275,809.70, 10,913,714.55 and 2,483,655.30
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Solution
The fourth proportional to 7,275,809.70, 10,913,714.55 and 2,483,655.30 is: 3,725,482.95
Step by Step Solution
- Step 1: Write the proportion equation
7,275,809.70 : 10,913,714.55 = 2,483,655.30 : x - Step 2: Convert to fraction form
7,275,809.70/10,913,714.55 = 2,483,655.30/x - Step 3: Cross multiply
7,275,809.70x = 10,913,714.55 × 2,483,655.30 - Step 4: Simplify right side
7,275,809.70x = 27,105,904,984,794.61 - Step 5: Solve for x
x = 27,105,904,984,794.61/7,275,809.70 - Step 6: Final answer
x = 3,725,482.95
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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.