Finding the Fourth Proportional to 1,913,118.78, 2,868,681.74 and 714,054.99
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Solution
The fourth proportional to 1,913,118.78, 2,868,681.74 and 714,054.99 is: 1,070,710.57
Step by Step Solution
- Step 1: Write the proportion equation
1,913,118.78 : 2,868,681.74 = 714,054.99 : x - Step 2: Convert to fraction form
1,913,118.78/2,868,681.74 = 714,054.99/x - Step 3: Cross multiply
1,913,118.78x = 2,868,681.74 × 714,054.99 - Step 4: Simplify right side
1,913,118.78x = 2,048,396,507,598.61 - Step 5: Solve for x
x = 2,048,396,507,598.61/1,913,118.78 - Step 6: Final answer
x = 1,070,710.57
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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.