Finding the Fourth Proportional to 1,657,355.63, 2,486,026.35 and 459,274.50
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Solution
The fourth proportional to 1,657,355.63, 2,486,026.35 and 459,274.50 is: 688,909.79
Step by Step Solution
- Step 1: Write the proportion equation
1,657,355.63 : 2,486,026.35 = 459,274.50 : x - Step 2: Convert to fraction form
1,657,355.63/2,486,026.35 = 459,274.50/x - Step 3: Cross multiply
1,657,355.63x = 2,486,026.35 × 459,274.50 - Step 4: Simplify right side
1,657,355.63x = 1,141,768,508,883.08 - Step 5: Solve for x
x = 1,141,768,508,883.08/1,657,355.63 - Step 6: Final answer
x = 688,909.79
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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.