Finding the Fourth Proportional to 3,688,259.58, 5,532,389.28 and 992,590.74
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Solution
The fourth proportional to 3,688,259.58, 5,532,389.28 and 992,590.74 is: 1,488,886.09
Step by Step Solution
- Step 1: Write the proportion equation
3,688,259.58 : 5,532,389.28 = 992,590.74 : x - Step 2: Convert to fraction form
3,688,259.58/5,532,389.28 = 992,590.74/x - Step 3: Cross multiply
3,688,259.58x = 5,532,389.28 × 992,590.74 - Step 4: Simplify right side
3,688,259.58x = 5,491,398,369,403.27 - Step 5: Solve for x
x = 5,491,398,369,403.27/3,688,259.58 - Step 6: Final answer
x = 1,488,886.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.