Finding the Fourth Proportional to 4,430,365.87, 6,645,548.81 and 1,064,572.87
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Solution
The fourth proportional to 4,430,365.87, 6,645,548.81 and 1,064,572.87 is: 1,596,859.31
Step by Step Solution
- Step 1: Write the proportion equation
4,430,365.87 : 6,645,548.81 = 1,064,572.87 : x - Step 2: Convert to fraction form
4,430,365.87/6,645,548.81 = 1,064,572.87/x - Step 3: Cross multiply
4,430,365.87x = 6,645,548.81 × 1,064,572.87 - Step 4: Simplify right side
4,430,365.87x = 7,074,670,969,386.79 - Step 5: Solve for x
x = 7,074,670,969,386.79/4,430,365.87 - Step 6: Final answer
x = 1,596,859.31
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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.