Home / 2,177,356.86-3,004,582.23-1,210,428.18

Finding the Fourth Proportional to 2,177,356.86, 3,004,582.23 and 1,210,428.18

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Solution

The fourth proportional to 2,177,356.86, 3,004,582.23 and 1,210,428.18 is: 1,670,296.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,356.86 : 3,004,582.23 = 1,210,428.18 : x
  2. Step 2: Convert to fraction form
    2,177,356.86/3,004,582.23 = 1,210,428.18/x
  3. Step 3: Cross multiply
    2,177,356.86x = 3,004,582.23 × 1,210,428.18
  4. Step 4: Simplify right side
    2,177,356.86x = 3,636,831,000,319.24
  5. Step 5: Solve for x
    x = 3,636,831,000,319.24/2,177,356.86
  6. Step 6: Final answer
    x = 1,670,296.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.