Finding the Fourth Proportional to 7,243,918.32, 10,865,838.42 and 1,852,560.12
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Solution
The fourth proportional to 7,243,918.32, 10,865,838.42 and 1,852,560.12 is: 2,778,830.19
Step by Step Solution
- Step 1: Write the proportion equation
7,243,918.32 : 10,865,838.42 = 1,852,560.12 : x - Step 2: Convert to fraction form
7,243,918.32/10,865,838.42 = 1,852,560.12/x - Step 3: Cross multiply
7,243,918.32x = 10,865,838.42 × 1,852,560.12 - Step 4: Simplify right side
7,243,918.32x = 20,129,618,927,255.81 - Step 5: Solve for x
x = 20,129,618,927,255.81/7,243,918.32 - Step 6: Final answer
x = 2,778,830.19
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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.