Finding the Fourth Proportional to 5,727,564.98, 7,904,038.14 and 3,149,412.74
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Solution
The fourth proportional to 5,727,564.98, 7,904,038.14 and 3,149,412.74 is: 4,346,188.74
Step by Step Solution
- Step 1: Write the proportion equation
5,727,564.98 : 7,904,038.14 = 3,149,412.74 : x - Step 2: Convert to fraction form
5,727,564.98/7,904,038.14 = 3,149,412.74/x - Step 3: Cross multiply
5,727,564.98x = 7,904,038.14 × 3,149,412.74 - Step 4: Simplify right side
5,727,564.98x = 24,893,078,376,041.71 - Step 5: Solve for x
x = 24,893,078,376,041.71/5,727,564.98 - Step 6: Final answer
x = 4,346,188.74
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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.