Finding the Fourth Proportional to 2,348,293.60, 3,240,590.36 and 1,381,486.16
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Solution
The fourth proportional to 2,348,293.60, 3,240,590.36 and 1,381,486.16 is: 1,906,418.66
Step by Step Solution
- Step 1: Write the proportion equation
2,348,293.60 : 3,240,590.36 = 1,381,486.16 : x - Step 2: Convert to fraction form
2,348,293.60/3,240,590.36 = 1,381,486.16/x - Step 3: Cross multiply
2,348,293.60x = 3,240,590.36 × 1,381,486.16 - Step 4: Simplify right side
2,348,293.60x = 4,476,830,732,569.42 - Step 5: Solve for x
x = 4,476,830,732,569.42/2,348,293.60 - Step 6: Final answer
x = 1,906,418.66
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1.5x scale
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.