Finding the Fourth Proportional to 2,348,963.13, 3,241,796.64 and 1,316,646.28
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Solution
The fourth proportional to 2,348,963.13, 3,241,796.64 and 1,316,646.28 is: 1,817,099.40
Step by Step Solution
- Step 1: Write the proportion equation
2,348,963.13 : 3,241,796.64 = 1,316,646.28 : x - Step 2: Convert to fraction form
2,348,963.13/3,241,796.64 = 1,316,646.28/x - Step 3: Cross multiply
2,348,963.13x = 3,241,796.64 × 1,316,646.28 - Step 4: Simplify right side
2,348,963.13x = 4,268,299,486,572.50 - Step 5: Solve for x
x = 4,268,299,486,572.50/2,348,963.13 - Step 6: Final answer
x = 1,817,099.40
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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.