Finding the Fourth Proportional to 4,862,916.78, 6,710,845.98 and 2,657,824.14
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Solution
The fourth proportional to 4,862,916.78, 6,710,845.98 and 2,657,824.14 is: 3,667,808.69
Step by Step Solution
- Step 1: Write the proportion equation
4,862,916.78 : 6,710,845.98 = 2,657,824.14 : x - Step 2: Convert to fraction form
4,862,916.78/6,710,845.98 = 2,657,824.14/x - Step 3: Cross multiply
4,862,916.78x = 6,710,845.98 × 2,657,824.14 - Step 4: Simplify right side
4,862,916.78x = 17,836,248,445,465.96 - Step 5: Solve for x
x = 17,836,248,445,465.96/4,862,916.78 - Step 6: Final answer
x = 3,667,808.69
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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.