Home / 1,670,187.15-2,505,280.73-1,431,038.70

Finding the Fourth Proportional to 1,670,187.15, 2,505,280.73 and 1,431,038.70

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Solution

The fourth proportional to 1,670,187.15, 2,505,280.73 and 1,431,038.70 is: 2,146,558.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,187.15 : 2,505,280.73 = 1,431,038.70 : x
  2. Step 2: Convert to fraction form
    1,670,187.15/2,505,280.73 = 1,431,038.70/x
  3. Step 3: Cross multiply
    1,670,187.15x = 2,505,280.73 × 1,431,038.70
  4. Step 4: Simplify right side
    1,670,187.15x = 3,585,153,671,839.06
  5. Step 5: Solve for x
    x = 3,585,153,671,839.06/1,670,187.15
  6. Step 6: Final answer
    x = 2,146,558.05

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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.