Finding the Fourth Proportional to 1,791,521.84, 2,472,370.44 and 1,017,225.20
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Solution
The fourth proportional to 1,791,521.84, 2,472,370.44 and 1,017,225.20 is: 1,403,810.69
Step by Step Solution
- Step 1: Write the proportion equation
1,791,521.84 : 2,472,370.44 = 1,017,225.20 : x - Step 2: Convert to fraction form
1,791,521.84/2,472,370.44 = 1,017,225.20/x - Step 3: Cross multiply
1,791,521.84x = 2,472,370.44 × 1,017,225.20 - Step 4: Simplify right side
1,791,521.84x = 2,514,957,515,303.09 - Step 5: Solve for x
x = 2,514,957,515,303.09/1,791,521.84 - Step 6: Final answer
x = 1,403,810.69
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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.