Home / 2,709,642.28-4,064,405.10-816,341.80

Finding the Fourth Proportional to 2,709,642.28, 4,064,405.10 and 816,341.80

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Solution

The fourth proportional to 2,709,642.28, 4,064,405.10 and 816,341.80 is: 1,224,495.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709,642.28 : 4,064,405.10 = 816,341.80 : x
  2. Step 2: Convert to fraction form
    2,709,642.28/4,064,405.10 = 816,341.80/x
  3. Step 3: Cross multiply
    2,709,642.28x = 4,064,405.10 × 816,341.80
  4. Step 4: Simplify right side
    2,709,642.28x = 3,317,943,775,263.18
  5. Step 5: Solve for x
    x = 3,317,943,775,263.18/2,709,642.28
  6. Step 6: Final answer
    x = 1,224,495.13

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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.