Finding the Fourth Proportional to 1,513,345.68, 2,088,352.13 and 825,000.80
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Solution
The fourth proportional to 1,513,345.68, 2,088,352.13 and 825,000.80 is: 1,138,465.71
Step by Step Solution
- Step 1: Write the proportion equation
1,513,345.68 : 2,088,352.13 = 825,000.80 : x - Step 2: Convert to fraction form
1,513,345.68/2,088,352.13 = 825,000.80/x - Step 3: Cross multiply
1,513,345.68x = 2,088,352.13 × 825,000.80 - Step 4: Simplify right side
1,513,345.68x = 1,722,892,163,364.94 - Step 5: Solve for x
x = 1,722,892,163,364.94/1,513,345.68 - Step 6: Final answer
x = 1,138,465.71
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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.