Finding the Fourth Proportional to 5,232,521.60, 7,221,478.56 and 2,909,646.08
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Solution
The fourth proportional to 5,232,521.60, 7,221,478.56 and 2,909,646.08 is: 4,015,644.54
Step by Step Solution
- Step 1: Write the proportion equation
5,232,521.60 : 7,221,478.56 = 2,909,646.08 : x - Step 2: Convert to fraction form
5,232,521.60/7,221,478.56 = 2,909,646.08/x - Step 3: Cross multiply
5,232,521.60x = 7,221,478.56 × 2,909,646.08 - Step 4: Simplify right side
5,232,521.60x = 21,011,946,783,908.04 - Step 5: Solve for x
x = 21,011,946,783,908.04/5,232,521.60 - Step 6: Final answer
x = 4,015,644.54
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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.