Finding the Fourth Proportional to 1,891,246.10, 2,609,813.25 and 1,075,648.19
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Solution
The fourth proportional to 1,891,246.10, 2,609,813.25 and 1,075,648.19 is: 1,484,334.00
Step by Step Solution
- Step 1: Write the proportion equation
1,891,246.10 : 2,609,813.25 = 1,075,648.19 : x - Step 2: Convert to fraction form
1,891,246.10/2,609,813.25 = 1,075,648.19/x - Step 3: Cross multiply
1,891,246.10x = 2,609,813.25 × 1,075,648.19 - Step 4: Simplify right side
1,891,246.10x = 2,807,240,885,551.45 - Step 5: Solve for x
x = 2,807,240,885,551.45/1,891,246.10 - Step 6: Final answer
x = 1,484,334.00
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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.