Finding the Fourth Proportional to 2,871,551.64, 3,962,690.26 and 1,564,815.09
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Solution
The fourth proportional to 2,871,551.64, 3,962,690.26 and 1,564,815.09 is: 2,159,417.03
Step by Step Solution
- Step 1: Write the proportion equation
2,871,551.64 : 3,962,690.26 = 1,564,815.09 : x - Step 2: Convert to fraction form
2,871,551.64/3,962,690.26 = 1,564,815.09/x - Step 3: Cross multiply
2,871,551.64x = 3,962,690.26 × 1,564,815.09 - Step 4: Simplify right side
2,871,551.64x = 6,200,877,515,844.02 - Step 5: Solve for x
x = 6,200,877,515,844.02/2,871,551.64 - Step 6: Final answer
x = 2,159,417.03
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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.