Finding the Fourth Proportional to 1,724,403.77, 2,379,677.85 and 999,671.62
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Solution
The fourth proportional to 1,724,403.77, 2,379,677.85 and 999,671.62 is: 1,379,547.21
Step by Step Solution
- Step 1: Write the proportion equation
1,724,403.77 : 2,379,677.85 = 999,671.62 : x - Step 2: Convert to fraction form
1,724,403.77/2,379,677.85 = 999,671.62/x - Step 3: Cross multiply
1,724,403.77x = 2,379,677.85 × 999,671.62 - Step 4: Simplify right side
1,724,403.77x = 2,378,896,411,387.62 - Step 5: Solve for x
x = 2,378,896,411,387.62/1,724,403.77 - Step 6: Final answer
x = 1,379,547.21
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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.