Finding the Fourth Proportional to 4,963,430.38, 6,849,700.25 and 2,758,386.12
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Solution
The fourth proportional to 4,963,430.38, 6,849,700.25 and 2,758,386.12 is: 3,806,665.27
Step by Step Solution
- Step 1: Write the proportion equation
4,963,430.38 : 6,849,700.25 = 2,758,386.12 : x - Step 2: Convert to fraction form
4,963,430.38/6,849,700.25 = 2,758,386.12/x - Step 3: Cross multiply
4,963,430.38x = 6,849,700.25 × 2,758,386.12 - Step 4: Simplify right side
4,963,430.38x = 18,894,118,056,282.22 - Step 5: Solve for x
x = 18,894,118,056,282.22/4,963,430.38 - Step 6: Final answer
x = 3,806,665.27
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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.