Finding the Fourth Proportional to 2,730,387.84, 3,768,684.66 and 1,584,837.24
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Solution
The fourth proportional to 2,730,387.84, 3,768,684.66 and 1,584,837.24 is: 2,187,510.40
Step by Step Solution
- Step 1: Write the proportion equation
2,730,387.84 : 3,768,684.66 = 1,584,837.24 : x - Step 2: Convert to fraction form
2,730,387.84/3,768,684.66 = 1,584,837.24/x - Step 3: Cross multiply
2,730,387.84x = 3,768,684.66 × 1,584,837.24 - Step 4: Simplify right side
2,730,387.84x = 5,972,751,794,984.74 - Step 5: Solve for x
x = 5,972,751,794,984.74/2,730,387.84 - Step 6: Final answer
x = 2,187,510.40
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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.