Finding the Fourth Proportional to 2,624,495.21, 3,621,880.14 and 1,536,665.00
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Solution
The fourth proportional to 2,624,495.21, 3,621,880.14 and 1,536,665.00 is: 2,120,642.64
Step by Step Solution
- Step 1: Write the proportion equation
2,624,495.21 : 3,621,880.14 = 1,536,665.00 : x - Step 2: Convert to fraction form
2,624,495.21/3,621,880.14 = 1,536,665.00/x - Step 3: Cross multiply
2,624,495.21x = 3,621,880.14 × 1,536,665.00 - Step 4: Simplify right side
2,624,495.21x = 5,565,616,427,223.70 - Step 5: Solve for x
x = 5,565,616,427,223.70/2,624,495.21 - Step 6: Final answer
x = 2,120,642.64
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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.