Finding the Fourth Proportional to 1,926,126.64, 2,658,497.16 and 1,281,574
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Solution
The fourth proportional to 1,926,126.64, 2,658,497.16 and 1,281,574 is: 1,768,866.47
Step by Step Solution
- Step 1: Write the proportion equation
1,926,126.64 : 2,658,497.16 = 1,281,574 : x - Step 2: Convert to fraction form
1,926,126.64/2,658,497.16 = 1,281,574/x - Step 3: Cross multiply
1,926,126.64x = 2,658,497.16 × 1,281,574 - Step 4: Simplify right side
1,926,126.64x = 3,407,060,839,329.84 - Step 5: Solve for x
x = 3,407,060,839,329.84/1,926,126.64 - Step 6: Final answer
x = 1,768,866.47
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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.