Finding the Fourth Proportional to 1,574,718.48, 2,171,991.76 and 1,051,165.08
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Solution
The fourth proportional to 1,574,718.48, 2,171,991.76 and 1,051,165.08 is: 1,449,860.35
Step by Step Solution
- Step 1: Write the proportion equation
1,574,718.48 : 2,171,991.76 = 1,051,165.08 : x - Step 2: Convert to fraction form
1,574,718.48/2,171,991.76 = 1,051,165.08/x - Step 3: Cross multiply
1,574,718.48x = 2,171,991.76 × 1,051,165.08 - Step 4: Simplify right side
1,574,718.48x = 2,283,121,892,159.74 - Step 5: Solve for x
x = 2,283,121,892,159.74/1,574,718.48 - Step 6: Final answer
x = 1,449,860.35
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.