Finding the Fourth Proportional to 1,929,977.04, 2,663,316.90 and 1,114,153.14
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Solution
The fourth proportional to 1,929,977.04, 2,663,316.90 and 1,114,153.14 is: 1,537,501.65
Step by Step Solution
- Step 1: Write the proportion equation
1,929,977.04 : 2,663,316.90 = 1,114,153.14 : x - Step 2: Convert to fraction form
1,929,977.04/2,663,316.90 = 1,114,153.14/x - Step 3: Cross multiply
1,929,977.04x = 2,663,316.90 × 1,114,153.14 - Step 4: Simplify right side
1,929,977.04x = 2,967,342,886,950.07 - Step 5: Solve for x
x = 2,967,342,886,950.07/1,929,977.04 - Step 6: Final answer
x = 1,537,501.65
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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.