Finding the Fourth Proportional to 3,418,466.01, 4,717,444.86 and 1,869,772.18
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Solution
The fourth proportional to 3,418,466.01, 4,717,444.86 and 1,869,772.18 is: 2,580,264.70
Step by Step Solution
- Step 1: Write the proportion equation
3,418,466.01 : 4,717,444.86 = 1,869,772.18 : x - Step 2: Convert to fraction form
3,418,466.01/4,717,444.86 = 1,869,772.18/x - Step 3: Cross multiply
3,418,466.01x = 4,717,444.86 × 1,869,772.18 - Step 4: Simplify right side
3,418,466.01x = 8,820,547,159,912.00 - Step 5: Solve for x
x = 8,820,547,159,912.00/3,418,466.01 - Step 6: Final answer
x = 2,580,264.70
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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.