Finding the Fourth Proportional to 2,743,128.17, 3,787,366.14 and 1,712,206.07
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Solution
The fourth proportional to 2,743,128.17, 3,787,366.14 and 1,712,206.07 is: 2,363,998.65
Step by Step Solution
- Step 1: Write the proportion equation
2,743,128.17 : 3,787,366.14 = 1,712,206.07 : x - Step 2: Convert to fraction form
2,743,128.17/3,787,366.14 = 1,712,206.07/x - Step 3: Cross multiply
2,743,128.17x = 3,787,366.14 × 1,712,206.07 - Step 4: Simplify right side
2,743,128.17x = 6,484,751,294,220.47 - Step 5: Solve for x
x = 6,484,751,294,220.47/2,743,128.17 - Step 6: Final answer
x = 2,363,998.65
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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.