Finding the Fourth Proportional to 4,963,888.72, 6,849,420.28 and 2,788,015.06
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Solution
The fourth proportional to 4,963,888.72, 6,849,420.28 and 2,788,015.06 is: 3,847,041.70
Step by Step Solution
- Step 1: Write the proportion equation
4,963,888.72 : 6,849,420.28 = 2,788,015.06 : x - Step 2: Convert to fraction form
4,963,888.72/6,849,420.28 = 2,788,015.06/x - Step 3: Cross multiply
4,963,888.72x = 6,849,420.28 × 2,788,015.06 - Step 4: Simplify right side
4,963,888.72x = 19,096,286,892,909.42 - Step 5: Solve for x
x = 19,096,286,892,909.42/4,963,888.72 - Step 6: Final answer
x = 3,847,041.70
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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.