Finding the Fourth Proportional to 4,827,784.80, 7,241,677.20 and 1,461,991.80
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Solution
The fourth proportional to 4,827,784.80, 7,241,677.20 and 1,461,991.80 is: 2,192,987.70
Step by Step Solution
- Step 1: Write the proportion equation
4,827,784.80 : 7,241,677.20 = 1,461,991.80 : x - Step 2: Convert to fraction form
4,827,784.80/7,241,677.20 = 1,461,991.80/x - Step 3: Cross multiply
4,827,784.80x = 7,241,677.20 × 1,461,991.80 - Step 4: Simplify right side
4,827,784.80x = 10,587,272,684,646.96 - Step 5: Solve for x
x = 10,587,272,684,646.96/4,827,784.80 - Step 6: Final answer
x = 2,192,987.70
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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.