Finding the Fourth Proportional to 2,931,726.80, 4,398,367.80 and 1,038,270.80
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Solution
The fourth proportional to 2,931,726.80, 4,398,367.80 and 1,038,270.80 is: 1,557,681.59
Step by Step Solution
- Step 1: Write the proportion equation
2,931,726.80 : 4,398,367.80 = 1,038,270.80 : x - Step 2: Convert to fraction form
2,931,726.80/4,398,367.80 = 1,038,270.80/x - Step 3: Cross multiply
2,931,726.80x = 4,398,367.80 × 1,038,270.80 - Step 4: Simplify right side
2,931,726.80x = 4,566,696,854,400.24 - Step 5: Solve for x
x = 4,566,696,854,400.24/2,931,726.80 - Step 6: Final answer
x = 1,557,681.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.