Finding the Fourth Proportional to 1,970,625.51, 2,719,461.99 and 1,065,207.51
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Solution
The fourth proportional to 1,970,625.51, 2,719,461.99 and 1,065,207.51 is: 1,469,985.71
Step by Step Solution
- Step 1: Write the proportion equation
1,970,625.51 : 2,719,461.99 = 1,065,207.51 : x - Step 2: Convert to fraction form
1,970,625.51/2,719,461.99 = 1,065,207.51/x - Step 3: Cross multiply
1,970,625.51x = 2,719,461.99 × 1,065,207.51 - Step 4: Simplify right side
1,970,625.51x = 2,896,791,323,973.25 - Step 5: Solve for x
x = 2,896,791,323,973.25/1,970,625.51 - Step 6: Final answer
x = 1,469,985.71
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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.