Finding the Fourth Proportional to 2,943,404.68, 4,064,982.66 and 2,028,013.96
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Solution
The fourth proportional to 2,943,404.68, 4,064,982.66 and 2,028,013.96 is: 2,800,784.29
Step by Step Solution
- Step 1: Write the proportion equation
2,943,404.68 : 4,064,982.66 = 2,028,013.96 : x - Step 2: Convert to fraction form
2,943,404.68/4,064,982.66 = 2,028,013.96/x - Step 3: Cross multiply
2,943,404.68x = 4,064,982.66 × 2,028,013.96 - Step 4: Simplify right side
2,943,404.68x = 8,243,841,581,637.93 - Step 5: Solve for x
x = 8,243,841,581,637.93/2,943,404.68 - Step 6: Final answer
x = 2,800,784.29
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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.