Finding the Fourth Proportional to 6,497,431.90, 8,966,526.93 and 3,596,871.21
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Solution
The fourth proportional to 6,497,431.90, 8,966,526.93 and 3,596,871.21 is: 4,963,721.52
Step by Step Solution
- Step 1: Write the proportion equation
6,497,431.90 : 8,966,526.93 = 3,596,871.21 : x - Step 2: Convert to fraction form
6,497,431.90/8,966,526.93 = 3,596,871.21/x - Step 3: Cross multiply
6,497,431.90x = 8,966,526.93 × 3,596,871.21 - Step 4: Simplify right side
6,497,431.90x = 32,251,442,505,389.70 - Step 5: Solve for x
x = 32,251,442,505,389.70/6,497,431.90 - Step 6: Final answer
x = 4,963,721.52
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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.