Home / 6,604,931.80-9,907,397.70-2,117,661.40

Finding the Fourth Proportional to 6,604,931.80, 9,907,397.70 and 2,117,661.40

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Solution

The fourth proportional to 6,604,931.80, 9,907,397.70 and 2,117,661.40 is: 3,176,492.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,604,931.80 : 9,907,397.70 = 2,117,661.40 : x
  2. Step 2: Convert to fraction form
    6,604,931.80/9,907,397.70 = 2,117,661.40/x
  3. Step 3: Cross multiply
    6,604,931.80x = 9,907,397.70 × 2,117,661.40
  4. Step 4: Simplify right side
    6,604,931.80x = 20,980,513,683,738.78
  5. Step 5: Solve for x
    x = 20,980,513,683,738.78/6,604,931.80
  6. Step 6: Final answer
    x = 3,176,492.10

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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.