Home / 5,030,210-6,941,678.28-2,738,386.64

Finding the Fourth Proportional to 5,030,210, 6,941,678.28 and 2,738,386.64

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Solution

The fourth proportional to 5,030,210, 6,941,678.28 and 2,738,386.64 is: 3,778,967.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030,210 : 6,941,678.28 = 2,738,386.64 : x
  2. Step 2: Convert to fraction form
    5,030,210/6,941,678.28 = 2,738,386.64/x
  3. Step 3: Cross multiply
    5,030,210x = 6,941,678.28 × 2,738,386.64
  4. Step 4: Simplify right side
    5,030,210x = 19,008,999,061,130.18
  5. Step 5: Solve for x
    x = 19,008,999,061,130.18/5,030,210
  6. Step 6: Final answer
    x = 3,778,967.29

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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.