Finding the Fourth Proportional to 2,913,588.90, 4,020,564.60 and 1,624,352.40
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Solution
The fourth proportional to 2,913,588.90, 4,020,564.60 and 1,624,352.40 is: 2,241,501.45
Step by Step Solution
- Step 1: Write the proportion equation
2,913,588.90 : 4,020,564.60 = 1,624,352.40 : x - Step 2: Convert to fraction form
2,913,588.90/4,020,564.60 = 1,624,352.40/x - Step 3: Cross multiply
2,913,588.90x = 4,020,564.60 × 1,624,352.40 - Step 4: Simplify right side
2,913,588.90x = 6,530,813,757,365.04 - Step 5: Solve for x
x = 6,530,813,757,365.04/2,913,588.90 - Step 6: Final answer
x = 2,241,501.45
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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.