Finding the Fourth Proportional to 4,689,934.49, 6,466,970.14 and 3,055,310.55
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Solution
The fourth proportional to 4,689,934.49, 6,466,970.14 and 3,055,310.55 is: 4,212,980.40
Step by Step Solution
- Step 1: Write the proportion equation
4,689,934.49 : 6,466,970.14 = 3,055,310.55 : x - Step 2: Convert to fraction form
4,689,934.49/6,466,970.14 = 3,055,310.55/x - Step 3: Cross multiply
4,689,934.49x = 6,466,970.14 × 3,055,310.55 - Step 4: Simplify right side
4,689,934.49x = 19,758,602,087,638.70 - Step 5: Solve for x
x = 19,758,602,087,638.70/4,689,934.49 - Step 6: Final answer
x = 4,212,980.40
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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.