Finding the Fourth Proportional to 1,838,632.49, 2,536,276.08 and 1,103,398.73
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Solution
The fourth proportional to 1,838,632.49, 2,536,276.08 and 1,103,398.73 is: 1,522,068.07
Step by Step Solution
- Step 1: Write the proportion equation
1,838,632.49 : 2,536,276.08 = 1,103,398.73 : x - Step 2: Convert to fraction form
1,838,632.49/2,536,276.08 = 1,103,398.73/x - Step 3: Cross multiply
1,838,632.49x = 2,536,276.08 × 1,103,398.73 - Step 4: Simplify right side
1,838,632.49x = 2,798,523,792,920.00 - Step 5: Solve for x
x = 2,798,523,792,920.00/1,838,632.49 - Step 6: Final answer
x = 1,522,068.07
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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.