Finding the Fourth Proportional to 1,637,307.81, 2,456,224.16 and 690,817.95
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Solution
The fourth proportional to 1,637,307.81, 2,456,224.16 and 690,817.95 is: 1,036,337.65
Step by Step Solution
- Step 1: Write the proportion equation
1,637,307.81 : 2,456,224.16 = 690,817.95 : x - Step 2: Convert to fraction form
1,637,307.81/2,456,224.16 = 690,817.95/x - Step 3: Cross multiply
1,637,307.81x = 2,456,224.16 × 690,817.95 - Step 4: Simplify right side
1,637,307.81x = 1,696,803,735,497.58 - Step 5: Solve for x
x = 1,696,803,735,497.58/1,637,307.81 - Step 6: Final answer
x = 1,036,337.65
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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.