Finding the Fourth Proportional to 1,349,354.70, 1,860,903.65 and 1,119,547.98
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Solution
The fourth proportional to 1,349,354.70, 1,860,903.65 and 1,119,547.98 is: 1,543,975.74
Step by Step Solution
- Step 1: Write the proportion equation
1,349,354.70 : 1,860,903.65 = 1,119,547.98 : x - Step 2: Convert to fraction form
1,349,354.70/1,860,903.65 = 1,119,547.98/x - Step 3: Cross multiply
1,349,354.70x = 1,860,903.65 × 1,119,547.98 - Step 4: Simplify right side
1,349,354.70x = 2,083,370,925,131.00 - Step 5: Solve for x
x = 2,083,370,925,131.00/1,349,354.70 - Step 6: Final answer
x = 1,543,975.74
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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.