Home / 5,360,430.69-7,397,466.40-2,913,090.21

Finding the Fourth Proportional to 5,360,430.69, 7,397,466.40 and 2,913,090.21

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Solution

The fourth proportional to 5,360,430.69, 7,397,466.40 and 2,913,090.21 is: 4,020,103.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360,430.69 : 7,397,466.40 = 2,913,090.21 : x
  2. Step 2: Convert to fraction form
    5,360,430.69/7,397,466.40 = 2,913,090.21/x
  3. Step 3: Cross multiply
    5,360,430.69x = 7,397,466.40 × 2,913,090.21
  4. Step 4: Simplify right side
    5,360,430.69x = 21,549,486,948,643.95
  5. Step 5: Solve for x
    x = 21,549,486,948,643.95/5,360,430.69
  6. Step 6: Final answer
    x = 4,020,103.64

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1.5x scale

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.