Finding the Fourth Proportional to 1,699,279.02, 2,548,925.10 and 688,420.08
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Solution
The fourth proportional to 1,699,279.02, 2,548,925.10 and 688,420.08 is: 1,032,632.78
Step by Step Solution
- Step 1: Write the proportion equation
1,699,279.02 : 2,548,925.10 = 688,420.08 : x - Step 2: Convert to fraction form
1,699,279.02/2,548,925.10 = 688,420.08/x - Step 3: Cross multiply
1,699,279.02x = 2,548,925.10 × 688,420.08 - Step 4: Simplify right side
1,699,279.02x = 1,754,731,221,256.01 - Step 5: Solve for x
x = 1,754,731,221,256.01/1,699,279.02 - Step 6: Final answer
x = 1,032,632.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.