Home / 2,927,471.74-4,039,824.23-1,620,782.02

Finding the Fourth Proportional to 2,927,471.74, 4,039,824.23 and 1,620,782.02

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Solution

The fourth proportional to 2,927,471.74, 4,039,824.23 and 1,620,782.02 is: 2,236,631.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927,471.74 : 4,039,824.23 = 1,620,782.02 : x
  2. Step 2: Convert to fraction form
    2,927,471.74/4,039,824.23 = 1,620,782.02/x
  3. Step 3: Cross multiply
    2,927,471.74x = 4,039,824.23 × 1,620,782.02
  4. Step 4: Simplify right side
    2,927,471.74x = 6,547,674,478,968.15
  5. Step 5: Solve for x
    x = 6,547,674,478,968.15/2,927,471.74
  6. Step 6: Final answer
    x = 2,236,631.15

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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.