Finding the Fourth Proportional to 1,509,747.18, 2,083,508.45 and 865,291.74
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Solution
The fourth proportional to 1,509,747.18, 2,083,508.45 and 865,291.74 is: 1,194,135.47
Step by Step Solution
- Step 1: Write the proportion equation
1,509,747.18 : 2,083,508.45 = 865,291.74 : x - Step 2: Convert to fraction form
1,509,747.18/2,083,508.45 = 865,291.74/x - Step 3: Cross multiply
1,509,747.18x = 2,083,508.45 × 865,291.74 - Step 4: Simplify right side
1,509,747.18x = 1,802,842,652,005.20 - Step 5: Solve for x
x = 1,802,842,652,005.20/1,509,747.18 - Step 6: Final answer
x = 1,194,135.47
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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.