Finding the Fourth Proportional to 1,371,238.32, 2,057,645.09 and 1,070,875.74
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Solution
The fourth proportional to 1,371,238.32, 2,057,645.09 and 1,070,875.74 is: 1,606,928.70
Step by Step Solution
- Step 1: Write the proportion equation
1,371,238.32 : 2,057,645.09 = 1,070,875.74 : x - Step 2: Convert to fraction form
1,371,238.32/2,057,645.09 = 1,070,875.74/x - Step 3: Cross multiply
1,371,238.32x = 2,057,645.09 × 1,070,875.74 - Step 4: Simplify right side
1,371,238.32x = 2,203,482,208,411.12 - Step 5: Solve for x
x = 2,203,482,208,411.12/1,371,238.32 - Step 6: Final answer
x = 1,606,928.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.