Finding the Fourth Proportional to 1,521,681.68, 2,099,923.44 and 823,970.36
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Solution
The fourth proportional to 1,521,681.68, 2,099,923.44 and 823,970.36 is: 1,137,080.57
Step by Step Solution
- Step 1: Write the proportion equation
1,521,681.68 : 2,099,923.44 = 823,970.36 : x - Step 2: Convert to fraction form
1,521,681.68/2,099,923.44 = 823,970.36/x - Step 3: Cross multiply
1,521,681.68x = 2,099,923.44 × 823,970.36 - Step 4: Simplify right side
1,521,681.68x = 1,730,274,672,829.24 - Step 5: Solve for x
x = 1,730,274,672,829.24/1,521,681.68 - Step 6: Final answer
x = 1,137,080.57
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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.