Finding the Fourth Proportional to 2,690,419.16, 3,710,677.74 and 1,723,638.68
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Solution
The fourth proportional to 2,690,419.16, 3,710,677.74 and 1,723,638.68 is: 2,377,275.55
Step by Step Solution
- Step 1: Write the proportion equation
2,690,419.16 : 3,710,677.74 = 1,723,638.68 : x - Step 2: Convert to fraction form
2,690,419.16/3,710,677.74 = 1,723,638.68/x - Step 3: Cross multiply
2,690,419.16x = 3,710,677.74 × 1,723,638.68 - Step 4: Simplify right side
2,690,419.16x = 6,395,867,681,678.98 - Step 5: Solve for x
x = 6,395,867,681,678.98/2,690,419.16 - Step 6: Final answer
x = 2,377,275.55
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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.