Finding the Fourth Proportional to 5,243,698.82, 7,865,572.84 and 1,831,970.62
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Solution
The fourth proportional to 5,243,698.82, 7,865,572.84 and 1,831,970.62 is: 2,747,964.53
Step by Step Solution
- Step 1: Write the proportion equation
5,243,698.82 : 7,865,572.84 = 1,831,970.62 : x - Step 2: Convert to fraction form
5,243,698.82/7,865,572.84 = 1,831,970.62/x - Step 3: Cross multiply
5,243,698.82x = 7,865,572.84 × 1,831,970.62 - Step 4: Simplify right side
5,243,698.82x = 14,409,498,357,602.00 - Step 5: Solve for x
x = 14,409,498,357,602.00/5,243,698.82 - Step 6: Final answer
x = 2,747,964.53
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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.