Finding the Fourth Proportional to 3,418,587.84, 4,717,722.24 and 1,890,798.24
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Solution
The fourth proportional to 3,418,587.84, 4,717,722.24 and 1,890,798.24 is: 2,609,340.85
Step by Step Solution
- Step 1: Write the proportion equation
3,418,587.84 : 4,717,722.24 = 1,890,798.24 : x - Step 2: Convert to fraction form
3,418,587.84/4,717,722.24 = 1,890,798.24/x - Step 3: Cross multiply
3,418,587.84x = 4,717,722.24 × 1,890,798.24 - Step 4: Simplify right side
3,418,587.84x = 8,920,260,908,200.86 - Step 5: Solve for x
x = 8,920,260,908,200.86/3,418,587.84 - Step 6: Final answer
x = 2,609,340.85
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1.5x scale
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.