Home / 3,849,681.40-5,774,522.10-2,655,287.80

Finding the Fourth Proportional to 3,849,681.40, 5,774,522.10 and 2,655,287.80

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Solution

The fourth proportional to 3,849,681.40, 5,774,522.10 and 2,655,287.80 is: 3,982,931.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849,681.40 : 5,774,522.10 = 2,655,287.80 : x
  2. Step 2: Convert to fraction form
    3,849,681.40/5,774,522.10 = 2,655,287.80/x
  3. Step 3: Cross multiply
    3,849,681.40x = 5,774,522.10 × 2,655,287.80
  4. Step 4: Simplify right side
    3,849,681.40x = 15,333,018,082,960.38
  5. Step 5: Solve for x
    x = 15,333,018,082,960.38/3,849,681.40
  6. Step 6: Final answer
    x = 3,982,931.70

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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.