Finding the Fourth Proportional to 1,881,743.84, 2,596,619.12 and 1,065,784.64
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Solution
The fourth proportional to 1,881,743.84, 2,596,619.12 and 1,065,784.64 is: 1,470,676.68
Step by Step Solution
- Step 1: Write the proportion equation
1,881,743.84 : 2,596,619.12 = 1,065,784.64 : x - Step 2: Convert to fraction form
1,881,743.84/2,596,619.12 = 1,065,784.64/x - Step 3: Cross multiply
1,881,743.84x = 2,596,619.12 × 1,065,784.64 - Step 4: Simplify right side
1,881,743.84x = 2,767,436,774,026.32 - Step 5: Solve for x
x = 2,767,436,774,026.32/1,881,743.84 - Step 6: Final answer
x = 1,470,676.68
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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.