Finding the Fourth Proportional to 1,688,352.26, 2,329,908.44 and 913,965.63
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Solution
The fourth proportional to 1,688,352.26, 2,329,908.44 and 913,965.63 is: 1,261,263.00
Step by Step Solution
- Step 1: Write the proportion equation
1,688,352.26 : 2,329,908.44 = 913,965.63 : x - Step 2: Convert to fraction form
1,688,352.26/2,329,908.44 = 913,965.63/x - Step 3: Cross multiply
1,688,352.26x = 2,329,908.44 × 913,965.63 - Step 4: Simplify right side
1,688,352.26x = 2,129,456,221,899.93 - Step 5: Solve for x
x = 2,129,456,221,899.93/1,688,352.26 - Step 6: Final answer
x = 1,261,263.00
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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.