Home / 4,938,457.17-6,812,769.12-3,196,688.48

Finding the Fourth Proportional to 4,938,457.17, 6,812,769.12 and 3,196,688.48

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Solution

The fourth proportional to 4,938,457.17, 6,812,769.12 and 3,196,688.48 is: 4,409,940.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938,457.17 : 6,812,769.12 = 3,196,688.48 : x
  2. Step 2: Convert to fraction form
    4,938,457.17/6,812,769.12 = 3,196,688.48/x
  3. Step 3: Cross multiply
    4,938,457.17x = 6,812,769.12 × 3,196,688.48
  4. Step 4: Simplify right side
    4,938,457.17x = 21,778,300,528,739.89
  5. Step 5: Solve for x
    x = 21,778,300,528,739.89/4,938,457.17
  6. Step 6: Final answer
    x = 4,409,940.15

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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.