Finding the Fourth Proportional to 4,963,433.95, 6,849,705.16 and 2,758,389.68
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Solution
The fourth proportional to 4,963,433.95, 6,849,705.16 and 2,758,389.68 is: 3,806,670.18
Step by Step Solution
- Step 1: Write the proportion equation
4,963,433.95 : 6,849,705.16 = 2,758,389.68 : x - Step 2: Convert to fraction form
4,963,433.95/6,849,705.16 = 2,758,389.68/x - Step 3: Cross multiply
4,963,433.95x = 6,849,705.16 × 2,758,389.68 - Step 4: Simplify right side
4,963,433.95x = 18,894,156,006,429.41 - Step 5: Solve for x
x = 18,894,156,006,429.41/4,963,433.95 - Step 6: Final answer
x = 3,806,670.18
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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.