Finding the Fourth Proportional to 3,807,483.14, 5,254,277.74 and 2,175,871.79
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Solution
The fourth proportional to 3,807,483.14, 5,254,277.74 and 2,175,871.79 is: 3,002,675.07
Step by Step Solution
- Step 1: Write the proportion equation
3,807,483.14 : 5,254,277.74 = 2,175,871.79 : x - Step 2: Convert to fraction form
3,807,483.14/5,254,277.74 = 2,175,871.79/x - Step 3: Cross multiply
3,807,483.14x = 5,254,277.74 × 2,175,871.79 - Step 4: Simplify right side
3,807,483.14x = 11,432,634,679,579.89 - Step 5: Solve for x
x = 11,432,634,679,579.89/3,807,483.14 - Step 6: Final answer
x = 3,002,675.07
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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.