Finding the Fourth Proportional to 1,911,038.50, 2,637,342.26 and 1,095,378.09
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Solution
The fourth proportional to 1,911,038.50, 2,637,342.26 and 1,095,378.09 is: 1,511,684.32
Step by Step Solution
- Step 1: Write the proportion equation
1,911,038.50 : 2,637,342.26 = 1,095,378.09 : x - Step 2: Convert to fraction form
1,911,038.50/2,637,342.26 = 1,095,378.09/x - Step 3: Cross multiply
1,911,038.50x = 2,637,342.26 × 1,095,378.09 - Step 4: Simplify right side
1,911,038.50x = 2,888,886,927,435.08 - Step 5: Solve for x
x = 2,888,886,927,435.08/1,911,038.50 - Step 6: Final answer
x = 1,511,684.32
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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.