Finding the Fourth Proportional to 2,778,875.18, 3,835,568.67 and 1,572,351.02
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Solution
The fourth proportional to 2,778,875.18, 3,835,568.67 and 1,572,351.02 is: 2,170,252.32
Step by Step Solution
- Step 1: Write the proportion equation
2,778,875.18 : 3,835,568.67 = 1,572,351.02 : x - Step 2: Convert to fraction form
2,778,875.18/3,835,568.67 = 1,572,351.02/x - Step 3: Cross multiply
2,778,875.18x = 3,835,568.67 × 1,572,351.02 - Step 4: Simplify right side
2,778,875.18x = 6,030,860,310,554.54 - Step 5: Solve for x
x = 6,030,860,310,554.54/2,778,875.18 - Step 6: Final answer
x = 2,170,252.32
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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.