Finding the Fourth Proportional to 4,754,123.29, 6,560,641.91 and 2,578,619.71
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Solution
The fourth proportional to 4,754,123.29, 6,560,641.91 and 2,578,619.71 is: 3,558,469.03
Step by Step Solution
- Step 1: Write the proportion equation
4,754,123.29 : 6,560,641.91 = 2,578,619.71 : x - Step 2: Convert to fraction form
4,754,123.29/6,560,641.91 = 2,578,619.71/x - Step 3: Cross multiply
4,754,123.29x = 6,560,641.91 × 2,578,619.71 - Step 4: Simplify right side
4,754,123.29x = 16,917,400,493,681.74 - Step 5: Solve for x
x = 16,917,400,493,681.74/4,754,123.29 - Step 6: Final answer
x = 3,558,469.03
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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.