Finding the Fourth Proportional to 5,722,284.20, 8,583,426.30 and 5,091,909.80
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Solution
The fourth proportional to 5,722,284.20, 8,583,426.30 and 5,091,909.80 is: 7,637,864.70
Step by Step Solution
- Step 1: Write the proportion equation
5,722,284.20 : 8,583,426.30 = 5,091,909.80 : x - Step 2: Convert to fraction form
5,722,284.20/8,583,426.30 = 5,091,909.80/x - Step 3: Cross multiply
5,722,284.20x = 8,583,426.30 × 5,091,909.80 - Step 4: Simplify right side
5,722,284.20x = 43,706,032,494,547.74 - Step 5: Solve for x
x = 43,706,032,494,547.74/5,722,284.20 - Step 6: Final answer
x = 7,637,864.70
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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.