Finding the Fourth Proportional to 1,643,470.18, 2,465,088.35 and 506,113.78
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Solution
The fourth proportional to 1,643,470.18, 2,465,088.35 and 506,113.78 is: 759,134.67
Step by Step Solution
- Step 1: Write the proportion equation
1,643,470.18 : 2,465,088.35 = 506,113.78 : x - Step 2: Convert to fraction form
1,643,470.18/2,465,088.35 = 506,113.78/x - Step 3: Cross multiply
1,643,470.18x = 2,465,088.35 × 506,113.78 - Step 4: Simplify right side
1,643,470.18x = 1,247,615,191,006.19 - Step 5: Solve for x
x = 1,247,615,191,006.19/1,643,470.18 - Step 6: Final answer
x = 759,134.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.