Finding the Fourth Proportional to 6,570,071.97, 9,855,132.20 and 2,021,089.26
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Solution
The fourth proportional to 6,570,071.97, 9,855,132.20 and 2,021,089.26 is: 3,031,641.35
Step by Step Solution
- Step 1: Write the proportion equation
6,570,071.97 : 9,855,132.20 = 2,021,089.26 : x - Step 2: Convert to fraction form
6,570,071.97/9,855,132.20 = 2,021,089.26/x - Step 3: Cross multiply
6,570,071.97x = 9,855,132.20 × 2,021,089.26 - Step 4: Simplify right side
6,570,071.97x = 19,918,101,845,300.17 - Step 5: Solve for x
x = 19,918,101,845,300.17/6,570,071.97 - Step 6: Final answer
x = 3,031,641.35
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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.