Finding the Fourth Proportional to 5,228,946.80, 7,216,802.30 and 4,356,397.84
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Solution
The fourth proportional to 5,228,946.80, 7,216,802.30 and 4,356,397.84 is: 6,012,541.94
Step by Step Solution
- Step 1: Write the proportion equation
5,228,946.80 : 7,216,802.30 = 4,356,397.84 : x - Step 2: Convert to fraction form
5,228,946.80/7,216,802.30 = 4,356,397.84/x - Step 3: Cross multiply
5,228,946.80x = 7,216,802.30 × 4,356,397.84 - Step 4: Simplify right side
5,228,946.80x = 31,439,261,951,427.03 - Step 5: Solve for x
x = 31,439,261,951,427.03/5,228,946.80 - Step 6: Final answer
x = 6,012,541.94
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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.