Finding the Fourth Proportional to 6,355,926.21, 9,538,088.37 and 2,990,395.65
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Solution
The fourth proportional to 6,355,926.21, 9,538,088.37 and 2,990,395.65 is: 4,487,569.09
Step by Step Solution
- Step 1: Write the proportion equation
6,355,926.21 : 9,538,088.37 = 2,990,395.65 : x - Step 2: Convert to fraction form
6,355,926.21/9,538,088.37 = 2,990,395.65/x - Step 3: Cross multiply
6,355,926.21x = 9,538,088.37 × 2,990,395.65 - Step 4: Simplify right side
6,355,926.21x = 28,522,657,970,963.59 - Step 5: Solve for x
x = 28,522,657,970,963.59/6,355,926.21 - Step 6: Final answer
x = 4,487,569.09
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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.