Finding the Fourth Proportional to 2,326,514.94, 3,209,280.21 and 1,395,981.99
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Solution
The fourth proportional to 2,326,514.94, 3,209,280.21 and 1,395,981.99 is: 1,925,668.86
Step by Step Solution
- Step 1: Write the proportion equation
2,326,514.94 : 3,209,280.21 = 1,395,981.99 : x - Step 2: Convert to fraction form
2,326,514.94/3,209,280.21 = 1,395,981.99/x - Step 3: Cross multiply
2,326,514.94x = 3,209,280.21 × 1,395,981.99 - Step 4: Simplify right side
2,326,514.94x = 4,480,097,374,023.42 - Step 5: Solve for x
x = 4,480,097,374,023.42/2,326,514.94 - Step 6: Final answer
x = 1,925,668.86
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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.