Finding the Fourth Proportional to 1,909,376.64, 2,634,283.98 and 1,183,963.32
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Solution
The fourth proportional to 1,909,376.64, 2,634,283.98 and 1,183,963.32 is: 1,633,462.74
Step by Step Solution
- Step 1: Write the proportion equation
1,909,376.64 : 2,634,283.98 = 1,183,963.32 : x - Step 2: Convert to fraction form
1,909,376.64/2,634,283.98 = 1,183,963.32/x - Step 3: Cross multiply
1,909,376.64x = 2,634,283.98 × 1,183,963.32 - Step 4: Simplify right side
1,909,376.64x = 3,118,895,606,783.61 - Step 5: Solve for x
x = 3,118,895,606,783.61/1,909,376.64 - Step 6: Final answer
x = 1,633,462.74
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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.