Finding the Fourth Proportional to 1,965,768.84, 2,712,848.27 and 1,106,384.76
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Solution
The fourth proportional to 1,965,768.84, 2,712,848.27 and 1,106,384.76 is: 1,526,860.08
Step by Step Solution
- Step 1: Write the proportion equation
1,965,768.84 : 2,712,848.27 = 1,106,384.76 : x - Step 2: Convert to fraction form
1,965,768.84/2,712,848.27 = 1,106,384.76/x - Step 3: Cross multiply
1,965,768.84x = 2,712,848.27 × 1,106,384.76 - Step 4: Simplify right side
1,965,768.84x = 3,001,453,976,588.44 - Step 5: Solve for x
x = 3,001,453,976,588.44/1,965,768.84 - Step 6: Final answer
x = 1,526,860.08
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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.