Finding the Fourth Proportional to 1,791,519.84, 2,472,367.68 and 1,017,223.20
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Solution
The fourth proportional to 1,791,519.84, 2,472,367.68 and 1,017,223.20 is: 1,403,807.93
Step by Step Solution
- Step 1: Write the proportion equation
1,791,519.84 : 2,472,367.68 = 1,017,223.20 : x - Step 2: Convert to fraction form
1,791,519.84/2,472,367.68 = 1,017,223.20/x - Step 3: Cross multiply
1,791,519.84x = 2,472,367.68 × 1,017,223.20 - Step 4: Simplify right side
1,791,519.84x = 2,514,949,763,026.18 - Step 5: Solve for x
x = 2,514,949,763,026.18/1,791,519.84 - Step 6: Final answer
x = 1,403,807.93
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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.