Finding the Fourth Proportional to 1,565,279.64, 2,348,971.65 and 554,398.02
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Solution
The fourth proportional to 1,565,279.64, 2,348,971.65 and 554,398.02 is: 831,969.70
Step by Step Solution
- Step 1: Write the proportion equation
1,565,279.64 : 2,348,971.65 = 554,398.02 : x - Step 2: Convert to fraction form
1,565,279.64/2,348,971.65 = 554,398.02/x - Step 3: Cross multiply
1,565,279.64x = 2,348,971.65 × 554,398.02 - Step 4: Simplify right side
1,565,279.64x = 1,302,265,231,796.13 - Step 5: Solve for x
x = 1,302,265,231,796.13/1,565,279.64 - Step 6: Final answer
x = 831,969.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.