Finding the Fourth Proportional to 1,097,140.68, 1,513,444.47 and 638,203.62
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Solution
The fourth proportional to 1,097,140.68, 1,513,444.47 and 638,203.62 is: 880,366.35
Step by Step Solution
- Step 1: Write the proportion equation
1,097,140.68 : 1,513,444.47 = 638,203.62 : x - Step 2: Convert to fraction form
1,097,140.68/1,513,444.47 = 638,203.62/x - Step 3: Cross multiply
1,097,140.68x = 1,513,444.47 × 638,203.62 - Step 4: Simplify right side
1,097,140.68x = 965,885,739,422.98 - Step 5: Solve for x
x = 965,885,739,422.98/1,097,140.68 - Step 6: Final answer
x = 880,366.35
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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.