Finding the Fourth Proportional to 5,374,752.18, 7,417,165.59 and 2,927,372.82
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Solution
The fourth proportional to 5,374,752.18, 7,417,165.59 and 2,927,372.82 is: 4,039,778.62
Step by Step Solution
- Step 1: Write the proportion equation
5,374,752.18 : 7,417,165.59 = 2,927,372.82 : x - Step 2: Convert to fraction form
5,374,752.18/7,417,165.59 = 2,927,372.82/x - Step 3: Cross multiply
5,374,752.18x = 7,417,165.59 × 2,927,372.82 - Step 4: Simplify right side
5,374,752.18x = 21,712,808,949,605.26 - Step 5: Solve for x
x = 21,712,808,949,605.26/5,374,752.18 - Step 6: Final answer
x = 4,039,778.62
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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.