Finding the Fourth Proportional to 5,029,389.02, 7,544,009.64 and 1,242,871.94
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Solution
The fourth proportional to 5,029,389.02, 7,544,009.64 and 1,242,871.94 is: 1,864,289.65
Step by Step Solution
- Step 1: Write the proportion equation
5,029,389.02 : 7,544,009.64 = 1,242,871.94 : x - Step 2: Convert to fraction form
5,029,389.02/7,544,009.64 = 1,242,871.94/x - Step 3: Cross multiply
5,029,389.02x = 7,544,009.64 × 1,242,871.94 - Step 4: Simplify right side
5,029,389.02x = 9,376,237,896,645.50 - Step 5: Solve for x
x = 9,376,237,896,645.50/5,029,389.02 - Step 6: Final answer
x = 1,864,289.65
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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.