Finding the Fourth Proportional to 3,064,781.19, 4,229,398.02 and 1,776,368.91
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Solution
The fourth proportional to 3,064,781.19, 4,229,398.02 and 1,776,368.91 is: 2,451,389.09
Step by Step Solution
- Step 1: Write the proportion equation
3,064,781.19 : 4,229,398.02 = 1,776,368.91 : x - Step 2: Convert to fraction form
3,064,781.19/4,229,398.02 = 1,776,368.91/x - Step 3: Cross multiply
3,064,781.19x = 4,229,398.02 × 1,776,368.91 - Step 4: Simplify right side
3,064,781.19x = 7,512,971,173,265.18 - Step 5: Solve for x
x = 7,512,971,173,265.18/3,064,781.19 - Step 6: Final answer
x = 2,451,389.09
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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.