Finding the Fourth Proportional to 2,774,792.84, 3,829,652.34 and 1,687,405.64
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Solution
The fourth proportional to 2,774,792.84, 3,829,652.34 and 1,687,405.64 is: 2,328,886.27
Step by Step Solution
- Step 1: Write the proportion equation
2,774,792.84 : 3,829,652.34 = 1,687,405.64 : x - Step 2: Convert to fraction form
2,774,792.84/3,829,652.34 = 1,687,405.64/x - Step 3: Cross multiply
2,774,792.84x = 3,829,652.34 × 1,687,405.64 - Step 4: Simplify right side
2,774,792.84x = 6,462,176,957,755.20 - Step 5: Solve for x
x = 6,462,176,957,755.20/2,774,792.84 - Step 6: Final answer
x = 2,328,886.27
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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.