Finding the Fourth Proportional to 1,377,448.16, 1,901,253.84 and 893,985.20
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Solution
The fourth proportional to 1,377,448.16, 1,901,253.84 and 893,985.20 is: 1,233,943.20
Step by Step Solution
- Step 1: Write the proportion equation
1,377,448.16 : 1,901,253.84 = 893,985.20 : x - Step 2: Convert to fraction form
1,377,448.16/1,901,253.84 = 893,985.20/x - Step 3: Cross multiply
1,377,448.16x = 1,901,253.84 × 893,985.20 - Step 4: Simplify right side
1,377,448.16x = 1,699,692,794,403.17 - Step 5: Solve for x
x = 1,699,692,794,403.17/1,377,448.16 - Step 6: Final answer
x = 1,233,943.20
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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.