Home / 6,403,614.60-9,602,138.70-1,915,307.40

Finding the Fourth Proportional to 6,403,614.60, 9,602,138.70 and 1,915,307.40

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Solution

The fourth proportional to 6,403,614.60, 9,602,138.70 and 1,915,307.40 is: 2,871,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403,614.60 : 9,602,138.70 = 1,915,307.40 : x
  2. Step 2: Convert to fraction form
    6,403,614.60/9,602,138.70 = 1,915,307.40/x
  3. Step 3: Cross multiply
    6,403,614.60x = 9,602,138.70 × 1,915,307.40
  4. Step 4: Simplify right side
    6,403,614.60x = 18,391,047,307,936.38
  5. Step 5: Solve for x
    x = 18,391,047,307,936.38/6,403,614.60
  6. Step 6: Final answer
    x = 2,871,979.10

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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.