Finding the Fourth Proportional to 1,838,292.50, 2,536,807.20 and 1,022,478.68
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Solution
The fourth proportional to 1,838,292.50, 2,536,807.20 and 1,022,478.68 is: 1,411,000.30
Step by Step Solution
- Step 1: Write the proportion equation
1,838,292.50 : 2,536,807.20 = 1,022,478.68 : x - Step 2: Convert to fraction form
1,838,292.50/2,536,807.20 = 1,022,478.68/x - Step 3: Cross multiply
1,838,292.50x = 2,536,807.20 × 1,022,478.68 - Step 4: Simplify right side
1,838,292.50x = 2,593,831,277,270.50 - Step 5: Solve for x
x = 2,593,831,277,270.50/1,838,292.50 - Step 6: Final answer
x = 1,411,000.30
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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.