Home / 1,618,661.40-2,427,992.10-553,543.80

Finding the Fourth Proportional to 1,618,661.40, 2,427,992.10 and 553,543.80

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Solution

The fourth proportional to 1,618,661.40, 2,427,992.10 and 553,543.80 is: 830,315.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,661.40 : 2,427,992.10 = 553,543.80 : x
  2. Step 2: Convert to fraction form
    1,618,661.40/2,427,992.10 = 553,543.80/x
  3. Step 3: Cross multiply
    1,618,661.40x = 2,427,992.10 × 553,543.80
  4. Step 4: Simplify right side
    1,618,661.40x = 1,343,999,973,403.98
  5. Step 5: Solve for x
    x = 1,343,999,973,403.98/1,618,661.40
  6. Step 6: Final answer
    x = 830,315.70

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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.