Finding the Fourth Proportional to 1,570,869.84, 2,356,257.68 and 433,701.45
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Solution
The fourth proportional to 1,570,869.84, 2,356,257.68 and 433,701.45 is: 650,539.18
Step by Step Solution
- Step 1: Write the proportion equation
1,570,869.84 : 2,356,257.68 = 433,701.45 : x - Step 2: Convert to fraction form
1,570,869.84/2,356,257.68 = 433,701.45/x - Step 3: Cross multiply
1,570,869.84x = 2,356,257.68 × 433,701.45 - Step 4: Simplify right side
1,570,869.84x = 1,021,912,370,221.13 - Step 5: Solve for x
x = 1,021,912,370,221.13/1,570,869.84 - Step 6: Final answer
x = 650,539.18
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1.5x scale
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.