Finding the Fourth Proportional to 4,451,681.28, 6,686,963.52 and 4,192,533.12
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Solution
The fourth proportional to 4,451,681.28, 6,686,963.52 and 4,192,533.12 is: 6,297,691.65
Step by Step Solution
- Step 1: Write the proportion equation
4,451,681.28 : 6,686,963.52 = 4,192,533.12 : x - Step 2: Convert to fraction form
4,451,681.28/6,686,963.52 = 4,192,533.12/x - Step 3: Cross multiply
4,451,681.28x = 6,686,963.52 × 4,192,533.12 - Step 4: Simplify right side
4,451,681.28x = 28,035,316,029,831.78 - Step 5: Solve for x
x = 28,035,316,029,831.78/4,451,681.28 - Step 6: Final answer
x = 6,297,691.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.