Home / 2,103,945.40-3,155,918.10-684,047.80

Finding the Fourth Proportional to 2,103,945.40, 3,155,918.10 and 684,047.80

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Solution

The fourth proportional to 2,103,945.40, 3,155,918.10 and 684,047.80 is: 1,026,071.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,945.40 : 3,155,918.10 = 684,047.80 : x
  2. Step 2: Convert to fraction form
    2,103,945.40/3,155,918.10 = 684,047.80/x
  3. Step 3: Cross multiply
    2,103,945.40x = 3,155,918.10 × 684,047.80
  4. Step 4: Simplify right side
    2,103,945.40x = 2,158,798,833,285.18
  5. Step 5: Solve for x
    x = 2,158,798,833,285.18/2,103,945.40
  6. Step 6: Final answer
    x = 1,026,071.70

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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.