Finding the Fourth Proportional to 1,569,486.70, 2,355,979.65 and 860,898.70
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Solution
The fourth proportional to 1,569,486.70, 2,355,979.65 and 860,898.70 is: 1,292,307.74
Step by Step Solution
- Step 1: Write the proportion equation
1,569,486.70 : 2,355,979.65 = 860,898.70 : x - Step 2: Convert to fraction form
1,569,486.70/2,355,979.65 = 860,898.70/x - Step 3: Cross multiply
1,569,486.70x = 2,355,979.65 × 860,898.70 - Step 4: Simplify right side
1,569,486.70x = 2,028,259,817,911.45 - Step 5: Solve for x
x = 2,028,259,817,911.45/1,569,486.70 - Step 6: Final answer
x = 1,292,307.74
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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.