Finding the Fourth Proportional to 5,732,901.62, 7,908,389.40 and 3,408,140.47
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Solution
The fourth proportional to 5,732,901.62, 7,908,389.40 and 3,408,140.47 is: 4,701,441.56
Step by Step Solution
- Step 1: Write the proportion equation
5,732,901.62 : 7,908,389.40 = 3,408,140.47 : x - Step 2: Convert to fraction form
5,732,901.62/7,908,389.40 = 3,408,140.47/x - Step 3: Cross multiply
5,732,901.62x = 7,908,389.40 × 3,408,140.47 - Step 4: Simplify right side
5,732,901.62x = 26,952,901,927,117.07 - Step 5: Solve for x
x = 26,952,901,927,117.07/5,732,901.62 - Step 6: Final answer
x = 4,701,441.56
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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.