Finding the Fourth Proportional to 1,526,246.72, 2,106,115.05 and 847,129.76
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Solution
The fourth proportional to 1,526,246.72, 2,106,115.05 and 847,129.76 is: 1,168,980.55
Step by Step Solution
- Step 1: Write the proportion equation
1,526,246.72 : 2,106,115.05 = 847,129.76 : x - Step 2: Convert to fraction form
1,526,246.72/2,106,115.05 = 847,129.76/x - Step 3: Cross multiply
1,526,246.72x = 2,106,115.05 × 847,129.76 - Step 4: Simplify right side
1,526,246.72x = 1,784,152,736,838.89 - Step 5: Solve for x
x = 1,784,152,736,838.89/1,526,246.72 - Step 6: Final answer
x = 1,168,980.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.