Finding the Fourth Proportional to 1,907,389.74, 2,860,640.70 and 709,876.02
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Solution
The fourth proportional to 1,907,389.74, 2,860,640.70 and 709,876.02 is: 1,064,648.82
Step by Step Solution
- Step 1: Write the proportion equation
1,907,389.74 : 2,860,640.70 = 709,876.02 : x - Step 2: Convert to fraction form
1,907,389.74/2,860,640.70 = 709,876.02/x - Step 3: Cross multiply
1,907,389.74x = 2,860,640.70 × 709,876.02 - Step 4: Simplify right side
1,907,389.74x = 2,030,700,234,766.01 - Step 5: Solve for x
x = 2,030,700,234,766.01/1,907,389.74 - Step 6: Final answer
x = 1,064,648.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.