Home / 3,938,646.54-5,435,428.34-2,196,298.93

Finding the Fourth Proportional to 3,938,646.54, 5,435,428.34 and 2,196,298.93

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Solution

The fourth proportional to 3,938,646.54, 5,435,428.34 and 2,196,298.93 is: 3,030,946.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,646.54 : 5,435,428.34 = 2,196,298.93 : x
  2. Step 2: Convert to fraction form
    3,938,646.54/5,435,428.34 = 2,196,298.93/x
  3. Step 3: Cross multiply
    3,938,646.54x = 5,435,428.34 × 2,196,298.93
  4. Step 4: Simplify right side
    3,938,646.54x = 11,937,825,409,075.04
  5. Step 5: Solve for x
    x = 11,937,825,409,075.04/3,938,646.54
  6. Step 6: Final answer
    x = 3,030,946.11

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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.