Home / 1,482,647.40-2,223,971.10-977,887.80

Finding the Fourth Proportional to 1,482,647.40, 2,223,971.10 and 977,887.80

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Solution

The fourth proportional to 1,482,647.40, 2,223,971.10 and 977,887.80 is: 1,466,831.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482,647.40 : 2,223,971.10 = 977,887.80 : x
  2. Step 2: Convert to fraction form
    1,482,647.40/2,223,971.10 = 977,887.80/x
  3. Step 3: Cross multiply
    1,482,647.40x = 2,223,971.10 × 977,887.80
  4. Step 4: Simplify right side
    1,482,647.40x = 2,174,794,206,242.58
  5. Step 5: Solve for x
    x = 2,174,794,206,242.58/1,482,647.40
  6. Step 6: Final answer
    x = 1,466,831.70

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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.