Finding the Fourth Proportional to 6,387,448.56, 8,814,887.64 and 3,486,994.08
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Solution
The fourth proportional to 6,387,448.56, 8,814,887.64 and 3,486,994.08 is: 4,812,165.72
Step by Step Solution
- Step 1: Write the proportion equation
6,387,448.56 : 8,814,887.64 = 3,486,994.08 : x - Step 2: Convert to fraction form
6,387,448.56/8,814,887.64 = 3,486,994.08/x - Step 3: Cross multiply
6,387,448.56x = 8,814,887.64 × 3,486,994.08 - Step 4: Simplify right side
6,387,448.56x = 30,737,461,016,545.18 - Step 5: Solve for x
x = 30,737,461,016,545.18/6,387,448.56 - Step 6: Final answer
x = 4,812,165.72
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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.