Home / 5,360,429.69-7,397,465.02-2,913,089.21

Finding the Fourth Proportional to 5,360,429.69, 7,397,465.02 and 2,913,089.21

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Solution

The fourth proportional to 5,360,429.69, 7,397,465.02 and 2,913,089.21 is: 4,020,102.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360,429.69 : 7,397,465.02 = 2,913,089.21 : x
  2. Step 2: Convert to fraction form
    5,360,429.69/7,397,465.02 = 2,913,089.21/x
  3. Step 3: Cross multiply
    5,360,429.69x = 7,397,465.02 × 2,913,089.21
  4. Step 4: Simplify right side
    5,360,429.69x = 21,549,475,486,844.39
  5. Step 5: Solve for x
    x = 21,549,475,486,844.39/5,360,429.69
  6. Step 6: Final answer
    x = 4,020,102.26

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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.