Home / 3,678,090.04-5,075,684.66-2,129,417.02

Finding the Fourth Proportional to 3,678,090.04, 5,075,684.66 and 2,129,417.02

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Solution

The fourth proportional to 3,678,090.04, 5,075,684.66 and 2,129,417.02 is: 2,938,549.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678,090.04 : 5,075,684.66 = 2,129,417.02 : x
  2. Step 2: Convert to fraction form
    3,678,090.04/5,075,684.66 = 2,129,417.02/x
  3. Step 3: Cross multiply
    3,678,090.04x = 5,075,684.66 × 2,129,417.02
  4. Step 4: Simplify right side
    3,678,090.04x = 10,808,249,303,156.91
  5. Step 5: Solve for x
    x = 10,808,249,303,156.91/3,678,090.04
  6. Step 6: Final answer
    x = 2,938,549.41

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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.