Finding the Fourth Proportional to 1,575,465.84, 2,174,131.80 and 860,073.84
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Solution
The fourth proportional to 1,575,465.84, 2,174,131.80 and 860,073.84 is: 1,186,895.86
Step by Step Solution
- Step 1: Write the proportion equation
1,575,465.84 : 2,174,131.80 = 860,073.84 : x - Step 2: Convert to fraction form
1,575,465.84/2,174,131.80 = 860,073.84/x - Step 3: Cross multiply
1,575,465.84x = 2,174,131.80 × 860,073.84 - Step 4: Simplify right side
1,575,465.84x = 1,869,913,885,892.11 - Step 5: Solve for x
x = 1,869,913,885,892.11/1,575,465.84 - Step 6: Final answer
x = 1,186,895.86
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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.