Finding the Fourth Proportional to 3,596,730.80, 4,963,430.60 and 1,965,103.12
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Solution
The fourth proportional to 3,596,730.80, 4,963,430.60 and 1,965,103.12 is: 2,711,810.67
Step by Step Solution
- Step 1: Write the proportion equation
3,596,730.80 : 4,963,430.60 = 1,965,103.12 : x - Step 2: Convert to fraction form
3,596,730.80/4,963,430.60 = 1,965,103.12/x - Step 3: Cross multiply
3,596,730.80x = 4,963,430.60 × 1,965,103.12 - Step 4: Simplify right side
3,596,730.80x = 9,753,652,957,963.47 - Step 5: Solve for x
x = 9,753,652,957,963.47/3,596,730.80 - Step 6: Final answer
x = 2,711,810.67
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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.