Finding the Fourth Proportional to 2,488,781.24, 3,434,845.46 and 1,401,264.74
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Solution
The fourth proportional to 2,488,781.24, 3,434,845.46 and 1,401,264.74 is: 1,933,929.65
Step by Step Solution
- Step 1: Write the proportion equation
2,488,781.24 : 3,434,845.46 = 1,401,264.74 : x - Step 2: Convert to fraction form
2,488,781.24/3,434,845.46 = 1,401,264.74/x - Step 3: Cross multiply
2,488,781.24x = 3,434,845.46 × 1,401,264.74 - Step 4: Simplify right side
2,488,781.24x = 4,813,127,830,447.08 - Step 5: Solve for x
x = 4,813,127,830,447.08/2,488,781.24 - Step 6: Final answer
x = 1,933,929.65
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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.