Finding the Fourth Proportional to 1,657,569.39, 2,486,107.74 and 459,366.78
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Solution
The fourth proportional to 1,657,569.39, 2,486,107.74 and 459,366.78 is: 688,981.90
Step by Step Solution
- Step 1: Write the proportion equation
1,657,569.39 : 2,486,107.74 = 459,366.78 : x - Step 2: Convert to fraction form
1,657,569.39/2,486,107.74 = 459,366.78/x - Step 3: Cross multiply
1,657,569.39x = 2,486,107.74 × 459,366.78 - Step 4: Simplify right side
1,657,569.39x = 1,142,035,307,256.88 - Step 5: Solve for x
x = 1,142,035,307,256.88/1,657,569.39 - Step 6: Final answer
x = 688,981.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.