Finding the Fourth Proportional to 4,708,528.65, 6,497,345.75 and 2,748,576.78
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Solution
The fourth proportional to 4,708,528.65, 6,497,345.75 and 2,748,576.78 is: 3,792,788.57
Step by Step Solution
- Step 1: Write the proportion equation
4,708,528.65 : 6,497,345.75 = 2,748,576.78 : x - Step 2: Convert to fraction form
4,708,528.65/6,497,345.75 = 2,748,576.78/x - Step 3: Cross multiply
4,708,528.65x = 6,497,345.75 × 2,748,576.78 - Step 4: Simplify right side
4,708,528.65x = 17,858,453,646,338.80 - Step 5: Solve for x
x = 17,858,453,646,338.80/4,708,528.65 - Step 6: Final answer
x = 3,792,788.57
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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.